FM radio works the same way that AM radio works. The difference is in how the carrier wave is modulated, or altered. With AM radio, the amplitude, or overall strength, of the signal is varied to ...

[mircemk] has brought the idea right up to date by building an FM radio with an OLED display, controlled with a rotary encoder. The design is fairly straightforward, based as it is on another ...

Compared to then, it’s much easier to build a portable radio even though cassettes are largely forgotten, as [wagiminator] shows us with this radio design based on an ATtiny. The build is about ...