/diy/ - Do It Yourself

>>2414912
oh, i wouldn't measure just one, i would measure the voltage for each peltier separately since i need each of them to maintain different temperature (+1 thermistor to get ambient room temperature)
what i'm planing to do is a simple mosfet for each peltier to turn them on or off, and to measure temperature i will quickly turn them off take a reading and turn them back on. since the voltage i will use to power the peltiers is 5V and it seems like the peltier will never generate more than 2V since max temp i need is 50C, i can just hook it up to analog pin directly

I drew a p fet, but i think i would use nfet on the ground of the TEC instead tho. Just a dead simple circuit.
I hope tec doesn¨t do some nasty inductive shit where it spikes voltage or something