How to connect a Type 'K' Thermocouple to a GTR v1.0


GTR v1.0 boards should have support for Type ‘K’ thermocouples.
The chip shown below in red, is the MAX31855K ‘K’ type thermocouple support.

GTR MAX31855K Chip
GTR 'K' Thermocouple Chip

Config.g changes

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

M308 S1 P"PH_9" Y"thermocouple-max31855"

Make sure to (re)run the PID-tuning, e.g. M303 T0 S20.