Add ENDSTOP_NOISE_FILTER to example configs

Co-Authored-By: ejtagle <ejtagle@hotmail.com>

Marlin/example_configurations/AlephObjects/TAZ4/Configuration.h

@@ -552,6 +552,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/AliExpress/CL-260/Configuration.h

@@ -532,6 +532,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/Anet/A6/Configuration.h

@@ -552,6 +552,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 #define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/Anet/A8/Configuration.h

@@ -539,6 +539,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 #define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/BIBO/TouchX/Cyclops/Configuration.h

@@ -532,6 +532,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/BIBO/TouchX/default/Configuration.h

@@ -532,6 +532,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/BQ/Hephestos/Configuration.h

@@ -520,6 +520,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/BQ/Hephestos_2/Configuration.h

@@ -533,6 +533,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 #define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/BQ/WITBOX/Configuration.h

@@ -520,6 +520,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/Cartesio/Configuration.h

@@ -531,6 +531,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/Creality/CR-10/Configuration.h

@@ -542,6 +542,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/Creality/CR-10S/Configuration.h

@@ -532,6 +532,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/Creality/CR-10mini/Configuration.h

@@ -551,6 +551,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/Creality/CR-8/Configuration.h

@@ -542,6 +542,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/Creality/Ender-2/Configuration.h

@@ -536,6 +536,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/Creality/Ender-3/Configuration.h

@@ -536,6 +536,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/Creality/Ender-4/Configuration.h

@@ -542,6 +542,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/Felix/Configuration.h

@@ -513,6 +513,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/Felix/DUAL/Configuration.h

@@ -513,6 +513,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/FolgerTech/i3-2020/Configuration.h

@@ -537,6 +537,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/Geeetech/GT2560/Configuration.h

@@ -547,6 +547,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/Geeetech/I3_Pro_X-GT2560/Configuration.h

@@ -532,6 +532,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/Geeetech/Prusa i3 Pro B/bltouch/Configuration.h

@@ -547,6 +547,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/Geeetech/Prusa i3 Pro B/noprobe/Configuration.h

@@ -547,6 +547,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/Geeetech/Prusa i3 Pro C/Configuration.h

@@ -532,6 +532,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/Geeetech/Prusa i3 Pro W/Configuration.h

@@ -532,6 +532,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/Infitary/i3-M508/Configuration.h

@@ -536,6 +536,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/JGAurora/A5/Configuration.h

@@ -544,6 +544,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/Malyan/M150/Configuration.h

@@ -541,6 +541,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/Micromake/C1/basic/Configuration.h

@@ -532,6 +532,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/Micromake/C1/enhanced/Configuration.h

@@ -532,6 +532,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/RepRapPro/Huxley/Configuration.h

@@ -532,6 +532,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h

@@ -532,6 +532,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/RigidBot/Configuration.h

@@ -528,6 +528,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/SCARA/Configuration.h

@@ -545,6 +545,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/Sanguinololu/Configuration.h

@@ -532,6 +532,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/TinyBoy2/Configuration.h

@@ -583,6 +583,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 #define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/Tronxy/X1/Configuration.h

@@ -532,6 +532,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/Tronxy/X5S/Configuration.h

@@ -532,6 +532,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/Tronxy/XY100/Configuration.h

@@ -543,6 +543,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/Velleman/K8200/Configuration.h

@@ -562,6 +562,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/Velleman/K8400/Configuration.h

@@ -532,6 +532,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/Velleman/K8400/Dual-head/Configuration.h

@@ -532,6 +532,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/Wanhao/Duplicator 6/Configuration.h

@@ -542,6 +542,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/adafruit/ST7565/Configuration.h

@@ -532,6 +532,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/delta/FLSUN/auto_calibrate/Configuration.h

@@ -605,6 +605,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/delta/FLSUN/kossel/Configuration.h

@@ -605,6 +605,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/delta/FLSUN/kossel_mini/Configuration.h

@@ -605,6 +605,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/delta/Hatchbox_Alpha/Configuration.h

@@ -610,6 +610,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/delta/generic/Configuration.h

@@ -595,6 +595,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/delta/kossel_mini/Configuration.h

@@ -595,6 +595,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/delta/kossel_pro/Configuration.h

@@ -581,6 +581,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/delta/kossel_xl/Configuration.h

@@ -599,6 +599,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/gCreate/gMax1.5+/Configuration.h

@@ -545,6 +545,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 #define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/makibox/Configuration.h

@@ -535,6 +535,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/tvrrug/Round2/Configuration.h

@@ -521,6 +521,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================

Marlin/example_configurations/wt150/Configuration.h

@@ -537,6 +537,23 @@
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.
 //#define ENDSTOP_INTERRUPTS_FEATURE
 
+/**
+ * Endstop Noise Filter
+ *
+ * Enable this option if endstops falsely trigger due to noise.
+ * NOTE: Enabling this feature means adds an error of +/-0.2mm, so homing
+ * will end up at a slightly different position on each G28. This will also
+ * reduce accuracy of some bed probes.
+ * For mechanical switches, the better approach to reduce noise is to install
+ * a 100 nanofarads ceramic capacitor in parallel with the switch, making it
+ * essentially noise-proof without sacrificing accuracy.
+ * This option also increases MCU load when endstops or the probe are enabled.
+ * So this is not recommended. USE AT YOUR OWN RISK.
+ * (This feature is not required for common micro-switches mounted on PCBs
+ * based on the Makerbot design, since they already include the 100nF capacitor.)
+ */
+//#define ENDSTOP_NOISE_FILTER
+
 //=============================================================================
 //============================== Movement Settings ============================
 //=============================================================================