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 ...

Just beware of the worst places to put smart speakers. If you have an old but working car stereo lying around, you can get its signal (including capabilities like Bluetooth) to your speakers by ...

At one time the shelf that held all the Sinatra albums was 70 feet wide,” said Doug Allen, owner of Bananas Records, ...

It’s a great method if you can make it work, though. Often it allows a custom input to be hacked in without even opening the stereo. Old-school car audio hackers have been doing it for decades ...