The PCB was based on the ESP32-S2 chip as the control chip, 128x64 OLED screen, built-in gyroscope and buzzer. It can read the temperature and input voltage of the control part of the circuit, the main control voltage, and the main control temperature. With automatic start and stop function.

The sleep function is detected by the gyroscope, and the sleep time and sensitivity can be set. The default threshold is more sensitive, and a slight shake will wake it up. The sleep function can be turned off by setting the sensitivity threshold to 0.

The buzzer can be turned on or off

The heating method can choose direct heating or PID adjustment, but the PID parameters have not been adjusted and can be adjusted by themselves in the source code.

Soldering iron temperature can be calibrated in settings.