This PT100 Stick is a MAX31865 breakboard compatible with many 32bit printer control boards, including the SKR 1.3 and 1.4.
It is a requirement of the PT100 Stick that the control board be configured to use SPI in the same way as the Big Tree Tech TMC2130 stepsticks.
Further information can be found at the Voron design github repository here:
https://github.com/VoronDesign/Voron-Hardware/tree/master/PT100Stick
