Fix up some accuracy issues with PT100 temp sensors in relation to the Rambo v1.3a
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Aaron Yourk
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7d5affa12e
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bcc0e83d76
@ -1033,7 +1033,9 @@ const short temptable_12[][2] PROGMEM = {
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#define PtA 3.9083E-3
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#define PtB -5.775E-7
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#define PtC -4.183E-12
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#define PtRt(T,R0) ((R0)*(1.0+(PtA)*(T)+(PtB)*(T)*(T)))
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#define PtRtNew(T,R0) ((R0)*(1.0+(PtA)*(T)+(PtB)*(T)*(T) + (T-100)*PtC*(T)*(T)*(T)))
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#define PtAdVal(T,R0,Rup) (short)(1024/(Rup/PtRt(T,R0)+1))
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#define PtLine(T,R0,Rup) { PtAdVal(T,R0,Rup)*OVERSAMPLENR, T },
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@ -1059,93 +1061,124 @@ const short temptable_147[][2] PROGMEM = {
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PtLine(200,100,4700)
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PtLine(250,100,4700)
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PtLine(300,100,4700)
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PtLine(350,100,4700)
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PtLine(400,100,4700)
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PtLine(450,100,4700)
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PtLine(500,100,4700)
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PtLine(550,100,4700)
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PtLine(600,100,4700)
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PtLine(650,100,4700)
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PtLine(700,100,4700)
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PtLine(750,100,4700)
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PtLine(800,100,4700)
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PtLine(850,100,4700)
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PtLine(900,100,4700)
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PtLine(950,100,4700)
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PtLine(1000,100,4700)
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PtLine(1050,100,4700)
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PtLine(1100,100,4700)
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};
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#endif
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#if (THERMISTORHEATER_0 == 148) || (THERMISTORHEATER_1 == 148) || (THERMISTORHEATER_2 == 148) || (THERMISTORBED == 148) // Pt100 with 4k7 MiniRambo pullup, no Amp.
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// E3D Pt100 with 4k7 MiniRambo pullup, no Amp on the MiniRambo v1.3a
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#if (THERMISTORHEATER_0 == 148) || (THERMISTORHEATER_1 == 148) || (THERMISTORHEATER_2 == 148) || (THERMISTORBED == 148)
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const short temptable_148[][2] PROGMEM = {
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// More raw data values avaliable via http://www.micropik.com/PDF/pt100.pdf
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// This information is taken from http://shop.prusa3d.com/forum/improvements-f14/mini-rambo-1-3-and-e3d-with-pt100-t700-s40.html#p20938
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{292,0}, // first two entries are bogus, just to get the heater running
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{356,50},
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{469,100},
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{531,150},
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{590,200},
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{649,250},
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{708,300},
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{763,350},
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{819,400},
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{872,450},
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// These values have been calculated and tested over many days. See https://docs.google.com/spreadsheets/d/1MJXa6feEe0mGVCT2TrBwLxVOMoLDkJlvfQ4JXhAdV_E
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// Values that are missing from the 5C gap are missing due to resolution limits.
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{19.00000 * OVERSAMPLENR, 0},
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{19.25000 * OVERSAMPLENR, 5},
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{19.50000 * OVERSAMPLENR, 10},
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{19.87500 * OVERSAMPLENR, 15},
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{20.25000 * OVERSAMPLENR, 20},
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{21.00000 * OVERSAMPLENR, 25},
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{21.75000 * OVERSAMPLENR, 35},
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{22.00000 * OVERSAMPLENR, 40},
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{23.00000 * OVERSAMPLENR, 50}, // 55C is more commonly used.
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{23.75000 * OVERSAMPLENR, 60},
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{24.00000 * OVERSAMPLENR, 65},
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{24.06250 * OVERSAMPLENR, 70},
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{25.00000 * OVERSAMPLENR, 75},
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{25.50000 * OVERSAMPLENR, 85},
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{26.00000 * OVERSAMPLENR, 90},
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{26.93750 * OVERSAMPLENR,100},
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{27.00000 * OVERSAMPLENR,105},
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{27.37500 * OVERSAMPLENR,110},
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{28.00000 * OVERSAMPLENR,115},
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{29.00000 * OVERSAMPLENR,125},
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{29.25000 * OVERSAMPLENR,135},
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{30.00000 * OVERSAMPLENR,140},
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{35.50000 * OVERSAMPLENR,150},
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{31.00000 * OVERSAMPLENR,155},
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{32.00000 * OVERSAMPLENR,165},
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{32.18750 * OVERSAMPLENR,175},
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{33.00000 * OVERSAMPLENR,180},
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{33.62500 * OVERSAMPLENR,190},
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{34.00000 * OVERSAMPLENR,195},
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{35.00000 * OVERSAMPLENR,205},
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{35.50000 * OVERSAMPLENR,215},
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{36.00000 * OVERSAMPLENR,220},
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{36.75000 * OVERSAMPLENR,230},
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{37.00000 * OVERSAMPLENR,235},
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{37.75000 * OVERSAMPLENR,245},
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{38.00000 * OVERSAMPLENR,250},
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{38.12500 * OVERSAMPLENR,255},
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{39.00000 * OVERSAMPLENR,260},
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{40.00000 * OVERSAMPLENR,275},
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{40.25000 * OVERSAMPLENR,285},
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{41.00000 * OVERSAMPLENR,290},
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{41.25000 * OVERSAMPLENR,300},
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{42.00000 * OVERSAMPLENR,305},
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{43.00000 * OVERSAMPLENR,315},
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{43.25000 * OVERSAMPLENR,325},
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{44.00000 * OVERSAMPLENR,330},
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{44.18750 * OVERSAMPLENR,340},
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{45.00000 * OVERSAMPLENR,345},
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{45.25000 * OVERSAMPLENR,355},
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{46.00000 * OVERSAMPLENR,360},
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{46.62500 * OVERSAMPLENR,370},
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{47.00000 * OVERSAMPLENR,375},
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{47.25000 * OVERSAMPLENR,385},
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{48.00000 * OVERSAMPLENR,390},
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{48.75000 * OVERSAMPLENR,400},
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{49.00000 * OVERSAMPLENR,405},
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};
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#endif
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#if (THERMISTORHEATER_0 == 247) || (THERMISTORHEATER_1 == 247) || (THERMISTORHEATER_2 == 247) || (THERMISTORBED == 247) // Pt100 with 4k7 MiniRambo pullup & PT100 Amplifier
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const short temptable_247[][2] PROGMEM = {
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// Calculated from Bob-the-Kuhn's PT100 calculator listed in https://github.com/MarlinFirmware/Marlin/issues/5543
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// and the table provided by E3D at http://wiki.e3d-online.com/wiki/E3D_PT100_Amplifier_Documentation#Output_Characteristics.
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{ 0 * OVERSAMPLENR, 0 },
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{ 244 * OVERSAMPLENR, 1 },
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{ 252 * OVERSAMPLENR, 10 },
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{ 262 * OVERSAMPLENR, 20 },
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{ 270 * OVERSAMPLENR, 30 },
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{ 278 * OVERSAMPLENR, 40 },
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{ 286 * OVERSAMPLENR, 50 },
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{ 294 * OVERSAMPLENR, 60 },
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{ 302 * OVERSAMPLENR, 70 },
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{ 310 * OVERSAMPLENR, 80 },
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{ 318 * OVERSAMPLENR, 90 },
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{ 326 * OVERSAMPLENR, 100 },
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{ 334 * OVERSAMPLENR, 110 },
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{ 344 * OVERSAMPLENR, 120 },
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{ 352 * OVERSAMPLENR, 130 },
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{ 358 * OVERSAMPLENR, 140 },
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{ 366 * OVERSAMPLENR, 150 },
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{ 374 * OVERSAMPLENR, 160 },
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{ 382 * OVERSAMPLENR, 170 },
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{ 390 * OVERSAMPLENR, 180 },
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{ 398 * OVERSAMPLENR, 190 },
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{ 406 * OVERSAMPLENR, 200 },
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{ 414 * OVERSAMPLENR, 210 },
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{ 422 * OVERSAMPLENR, 220 },
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{ 430 * OVERSAMPLENR, 230 },
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{ 436 * OVERSAMPLENR, 240 },
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{ 444 * OVERSAMPLENR, 250 },
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{ 452 * OVERSAMPLENR, 260 },
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{ 458 * OVERSAMPLENR, 270 },
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{ 466 * OVERSAMPLENR, 280 },
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{ 474 * OVERSAMPLENR, 290 },
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{ 480 * OVERSAMPLENR, 300 },
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{ 488 * OVERSAMPLENR, 310 },
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{ 496 * OVERSAMPLENR, 320 },
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{ 504 * OVERSAMPLENR, 330 },
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{ 510 * OVERSAMPLENR, 340 },
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{ 518 * OVERSAMPLENR, 350 },
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{ 524 * OVERSAMPLENR, 360 },
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{ 532 * OVERSAMPLENR, 370 },
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{ 538 * OVERSAMPLENR, 380 },
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{ 546 * OVERSAMPLENR, 390 },
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{ 554 * OVERSAMPLENR, 400 },
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{ 622 * OVERSAMPLENR, 500 },
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{ 688 * OVERSAMPLENR, 600 },
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{ 749 * OVERSAMPLENR, 700 },
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{ 809 * OVERSAMPLENR, 800 },
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{ 865 * OVERSAMPLENR, 900 },
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{ 919 * OVERSAMPLENR, 1000 },
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{ 969 * OVERSAMPLENR, 1100 },
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{ 0 * OVERSAMPLENR, 0},
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{241 * OVERSAMPLENR, 1},
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{249 * OVERSAMPLENR, 10},
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{259 * OVERSAMPLENR, 20},
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{267 * OVERSAMPLENR, 30},
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{275 * OVERSAMPLENR, 40},
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{283 * OVERSAMPLENR, 50},
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{291 * OVERSAMPLENR, 60},
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{299 * OVERSAMPLENR, 70},
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{307 * OVERSAMPLENR, 80},
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{315 * OVERSAMPLENR, 90},
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{323 * OVERSAMPLENR, 100},
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{331 * OVERSAMPLENR, 110},
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{340 * OVERSAMPLENR, 120},
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{348 * OVERSAMPLENR, 130},
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{354 * OVERSAMPLENR, 140},
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{362 * OVERSAMPLENR, 150},
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{370 * OVERSAMPLENR, 160},
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{378 * OVERSAMPLENR, 170},
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{386 * OVERSAMPLENR, 180},
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{394 * OVERSAMPLENR, 190},
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{402 * OVERSAMPLENR, 200},
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{410 * OVERSAMPLENR, 210},
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{418 * OVERSAMPLENR, 220},
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{426 * OVERSAMPLENR, 230},
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{432 * OVERSAMPLENR, 240},
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{440 * OVERSAMPLENR, 250},
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{448 * OVERSAMPLENR, 260},
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{454 * OVERSAMPLENR, 270},
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{462 * OVERSAMPLENR, 280},
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{469 * OVERSAMPLENR, 290},
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{475 * OVERSAMPLENR, 300},
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{483 * OVERSAMPLENR, 310},
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{491 * OVERSAMPLENR, 320},
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{499 * OVERSAMPLENR, 330},
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{505 * OVERSAMPLENR, 340},
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{513 * OVERSAMPLENR, 350},
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{519 * OVERSAMPLENR, 360},
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{527 * OVERSAMPLENR, 370},
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{533 * OVERSAMPLENR, 380},
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{541 * OVERSAMPLENR, 390},
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{549 * OVERSAMPLENR, 400},
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{616 * OVERSAMPLENR, 500},
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{682 * OVERSAMPLENR, 600},
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{741 * OVERSAMPLENR, 700},
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{801 * OVERSAMPLENR, 800},
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{856 * OVERSAMPLENR, 900},
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{910 * OVERSAMPLENR, 1000},
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{960 * OVERSAMPLENR, 1100},
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};
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#endif
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#if (THERMISTORHEATER_0 == 1010) || (THERMISTORHEATER_1 == 1010) || (THERMISTORHEATER_2 == 1010) || (THERMISTORBED == 1010) // Pt1000 with 1k0 pullup
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@ -336,7 +336,7 @@ THERMISTORS SETTINGS
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#if defined(E3D_PT100_EXTRUDER_WITH_AMP)
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#define TEMP_SENSOR_0 247
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#elif defined(E3D_PT100_EXTRUDER_NO_AMP)
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#define TEMP_SENSOR_0 147
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#define TEMP_SENSOR_0 148
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#else
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#define TEMP_SENSOR_0 5
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#endif
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@ -345,7 +345,7 @@ THERMISTORS SETTINGS
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#if defined(E3D_PT100_BED_WITH_AMP)
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#define TEMP_SENSOR_BED 247
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#elif defined(E3D_PT100_BED_NO_AMP)
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#define TEMP_SENSOR_BED 147
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#define TEMP_SENSOR_BED 148
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#else
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#define TEMP_SENSOR_BED 1
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#endif
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@ -329,14 +329,14 @@ THERMISTORS SETTINGS
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// 1047 is Pt1000 with 4k7 pullup
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// 1010 is Pt1000 with 1k pullup (non standard)
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// 147 is Pt100 with 4k7 pullup
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// 148 is Pt100 with 4k7 pullup and no PT100 Amplifier (in case type 147 doesn't work)
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// 148 is E3D Pt100 with 4k7 pullup and no PT100 Amplifier on a MiniRambo 1.3a
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// 247 is Pt100 with 4k7 pullup and PT100 Amplifier
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// 110 is Pt100 with 1k pullup (non standard)
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#if defined(E3D_PT100_EXTRUDER_WITH_AMP)
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#define TEMP_SENSOR_0 247
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#elif defined(E3D_PT100_EXTRUDER_NO_AMP)
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#define TEMP_SENSOR_0 147
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#define TEMP_SENSOR_0 148
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#else
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#define TEMP_SENSOR_0 5
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#endif
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@ -345,7 +345,7 @@ THERMISTORS SETTINGS
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#if defined(E3D_PT100_BED_WITH_AMP)
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#define TEMP_SENSOR_BED 247
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#elif defined(E3D_PT100_BED_NO_AMP)
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#define TEMP_SENSOR_BED 147
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#define TEMP_SENSOR_BED 148
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#else
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#define TEMP_SENSOR_BED 1
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#endif
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