You can make an FM transmitter and send your music to any stereo you want. Of course, you can buy one of these but it’s much more interesting if you make it yourself.

After buying a 13-year-old car with no Bluetooth and no auxiliary port, I found an unlikely, amazing solution in an inexpensive package.

Another simple device to build on our list of easiest simple FM transmitters to make at home is this iPod FM transmitter. To build it, you need to form the coil first using a solid copper wire.