[Julez] wanted another soldering station, so he decided to build one himself using a Hakko 907 soldering iron (or a clone). Of course, he could have bought a station, but anyone who reads ...

A proper soldering iron is one of the fundamental tools that a good hacker needs. Preferably one that has a temperature control so it can handle different types of solder and connectors.

To save pins of attiny85 one pin is used for encoder input (3 contacts) and to output sound to buzzer. Encoder inputs connected to form resistor ladder. Temperature PID controller One shared pin to ...