Connecting a PT100 or Type 'K' Thermocouple to a Fly-E3

Overview

Some Fly-E3 boards have support for PT100 and type ‘K’ thermocouples. If your board has the two chips in the red square populated then you are good to go. This is only applicable from 3.2_7.

Fly-E3 PT100 Chip
Fly-E3 PT100 Chip

Board.txt modifications

The following lines should be added to the board.txt file.

SPI3.pins = {C.2,C.0,C.1}
heat.spiTempSensorChannel = 3
heat.spiTempSensorCSPins = {C.3, C.7}

Config.g changes

PT100

To use the PT100 on your hotend, use the following code in config.g If you are in a country where the mains frequency is 50Hz, change the F60 to F50 (if you don’t know, look here)

M308 S1 P"PC3" Y"rtd-max31865" F60 R430

Type ‘K’ Thermocouple

To use the Type ‘K’ Thermocouple on your hotend, use the following code in config.g

M308 S1 P"C7" Y"thermocouple-max6675"
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