Mystery solved! If you call get_temp outside a loop you'll get 0 returned as it seems the pico needs to run through a few cycles before it starts returning temperatures. I have attached a "How to use the serial TC-08 with python" script for anyone else who might be interested in getting their serial...

Hi, I've been trying to nut out how to use the TC-08 serial version through python on windows. The device works fine in pico log. Opening the device and setting up the channels appers to be okay (those functions return '1'), but I can't for the life of me figure out how to use get_temp.. The cold ju...