I've updated the code in the soldering station files. There's new content and an attempt to fix a problem with the PID controlling the temperature around 10C above the setpoint.
- Auto turn-off with default time set to 45 minutes;
- If you reburn the frimware, it will use the Kp, Ki and Kd defined in the code instead of trying to load them from EEPROM, unless you run the autotune. This makes it possible to use the soldering station without autotuning.