StefanTrethan

Hi Jose, I noticed that the new version of the controller by KSEGER already has the voltage functions I want: https://ru.aliexpress.com/store/product/STM32-2-1S-OLED-T12-Solder-Iron-Temperature-Controller-Welding-Tools-Electronic-Soldering-Wake-Sleep-Shock/1486111_32788912011.html?spm=a2g0x.12010608.0.0.7b6971f32X6dEe Battery version: https://de.aliexpress.com/store/product/KSGER-Soldering-Iron-Station-OLED-T12-Tips-STM32-V3-0-DIY-Kits-FX9501-Electric-Tools-Lithium/1486111_32848362100.html?spm=a2g0x.12010615.0.0.2600678aRDSfWO This listing has a table showing...

So I managed to add the voltage readout (I put it between the tip number and ambient temperature). I had to correct the scaling from 3300 to 2833 but now...