All this on a gadget you bought for $48. USB MP3 Pen + FM Radio + Voice Recorder [Brando] Gadgets Get the best tech, science, and culture news in your inbox daily. News from the future ...

[gpsKlaus] built this little FM radio (translated) based on the AR1010 IC. That chip is controlled via I2C by an ATtiny45 microcontroller. His tuning implementation relies on presetting 16 ...

In the same vein, while some have USB for programming or otherwise communicating between the radio and a computer, very few can use USB for power. Instead , they rely on barrel jacks or antiquated ...