The MAX9814 module is a fancy microphone amplifier module. It comes with a 20-20kHz electret condenser microphone (ECM) soldered on, and has a few options the user can configure. The default maximum ...

He put it all together on proto-board, although soldering the FM radio module was a bit tricky. The Arduino code is quite simple, and available for download (zip file).

Arduino has shrunk the UNO R4 with the Arduino Nano R4 board equipped with the same 48 MHz Renesas RA4M1 32-bit Arm ...

What do you pick when you want to make something with a nostalgic touch? A radio, of course! Well, the project presented here is about building a compact Arduino FM Radio with the help of an ...