The core component of the Solderdoodle is a Weller BP645 Soldering Iron. The heating element is ... to be using a circuit of his own design. The schematic and Gerber’s are available on his ...
which connects to the SMT connector for the Weller RT soldering iron tip. The temperature sensor uses a an op-amp for amplification of the signal from a type K thermocouple. While there aren’t ...