This project aims to create a cheap soldering iron for students that can also be used as a lab assignment for PID. This firmware controls the temperature of a soldering iron using AC phase control.

• Zero crossing detection.
• Timer configuration in one pulse mode.
• Ac frequency detection.
• Triac circuit.
• Thermocouple reading.
• Temperature and setpoint display.

Thanks to Jarhmander for his support and advices.