Hotend heater does not show up in DWC
-
@mendenmh the resistance of normal thermistors goes down when the temperature increases. Thats what NTC means negative temperature coefficient, so the values go in opposite directions.
PT100/1000 are positive temperature, so both values go in the same direction@foesi using 84000 is incorrect. the value stated in the firmware is the value the thermistor will read at 0 degrees, so 100000 is what you should be using
-
@jay_s_uk You and I said the same thing, about the negative temperature coefficient. I said resistance is higher at lower temperatures; you corrected to lower at higher temperatures.
However, your statement about the value for a thermistor being specified at zero degrees is wrong. Most thermistors are standardized at 25C. Pt100/Pt1000 are, indeed, standardized at 0C. But it is still correct that the 100000 is the right number to have put in the file.
-