26September Start Button Update Here are some photos that I took while everything is wired-up in my car. Opening the steering column cover home-made circuit board exposed You can see holes in the circuit board that go to unused pins on the ATMEGA328, including serial I/O. These unused pins can be used to add features. relay module The ON LED flashes when the program initiates. Alloy Author I have various hobbies, including automotive, electronics, and computer related things. Sometimes I write about these things here.