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I'm back with another stupid EE question! I've been looking through the PCB schematics to try to better understand how things are connected in the HM. Looking at the V3 schematic, I have a couple questions: In the power supply section (top right), C3 is a 0.1uF capacitor, but the connection...

(I'm new to HeaterMeter and the forums, and I'm also not an electrical/software engineer, so excuse any stupid questions) So my current understanding is that the HM does not accept PT100 (or other RTD) probes, and only accepts thermistors or thermocouples if you have the add-on board, has...