Clay Makes for DIY Power Source, Just Add Water - [Robert Murray] starts out showing us some clay formations that house bees. He cou... - https://hackaday.com/2023/06/15/clay-makes-for-diy-power-source-just-add-water/ #thermocouple #science #battery

@deborahjnoel
It looks to me like you would hook up some #antique #thermocouple leads, change channels ("junction"), and acquire a discrete temperature measurement on that channel (note the wide range on the temperature gauge). The external galvo/potentiometer might be for calibration. Like a fancy version of https://oldschooltools.co.uk/product/cambridge-instruments-thermocouple-meter/

Long-Range Thermocouple Sensor Sips Battery Power

https://hackaday.com/2022/07/20/long-range-thermocouple-sensor-sips-battery-power/

#temperaturesensor #cookinghacks #thermocouple #datalogger #grafana