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 in cars like the Mazda Miata, swapping in their own ...

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 ...

Getting rid of an old car seems like a simple process, but if you send it straight to the scrapyard without removing valuable parts, you could be leaving money behind. Many components in a junk car ...