His solution is an interesting one, he’s put together his own car stereo in an enclosure suitable for the Toyota cut-out. Inside the radio there is an Arduino Mega controlling the breakout ...

Edge cases exist and depending on the minute specifics of how your original car radio works ... must be maintained in working order. Here, an Arduino is used to command the TEA688OH signal ...

You can find a bunch of regular music stations along with actual radio stations. You can always use your car radio for regular radio stations, but iHeartRadio helps keep everything within Android ...