70W soldering iron controller

https://www.electronics-lab.com/70w-soldering-iron-controller/

smdprutser.nl build a soldering iron controller based on PIC16F1823: In series thermocouple soldering iron have a thermocouple in series with their heating element and thus only have two connections (actually one more which is electrically connected to the tip for ESD purposes). When a voltage is applied to the two terminals the tip heats, when […]