The cassette deck in question, a Yamaha K-220, was old enough to lack a remote ... This made it easy to interface an ATmega328P to the stereo’s original circuitry. Digital IO pins are hooked ...

Faced with an old console stereo from the 1960s that was barely ... The old electronics were getting more and more difficult to repair and the tuner was drifting off-station every 15 minutes.

When I found this vintage console stereo ... to the old bottom with 3/4-in. wood screws. Pro tip: I did this step first ...