How to connect to PT100 - markniu/PandaPi GitHub Wiki
- connection:
Just connect 6 lines between the MAX31865 module and the EXP1 connector, and remove one resistor then solder 1 line to the pandapi board which is the control signal line of mosfet for the hotend0.also remember to unplug the old temperature sensor on the T0 connector.

- enable the max31856 in configuration.h
#define MAX31856_PANDAPI
if you want to use other GPIO for the max31856,you can edit the pins in file pins_PANDA_PI.h.
testing video:https://youtu.be/LhGSKaXKsbw
note: please keep one eye on the hotend before you have test it ok and stable.