Making a servo tester using an Attiny85 micro chip, Attiny45 also works for this project. This diy servo tester is as good as ...

The 40th anniversary of the Challenger explosion stirs the memories of Long Island educators who watched the disaster on classroom TVs. Get the latest news and more great videos at NewsdayTV Credit: ...

All switches are connected at one end to a pull-up input, and connect to ground on close. The analog input for the food pedal expects a potentiometer (e.g. 10k). Note that the MIDI output is used.