Building radio receivers from scratch is still a popular project since it can be done largely with off-the-shelf discrete components and a wire long enough for the bands that the radio will receive.

The FM receiver module is based on the TEA5767 [1, 2] chip. It is a well-known module that could be controlled via the I2C bus. It covers the FM frequency range from 76MHz to 108MHz. At the output, it ...

At Hackaday, we like to see build logs, and over on Hackaday.io, you can find plenty of them. Sometimes, though, a builder really outdoes themselves with a lot of great detail on a project, and ...

Arduino has an enormous fanbase around the world and is frequently used for classes, hobbies, computer tinkering, and projects from hopeful inventors. Sure, it may not be quite as user-friendly as ...

The team behind the Arduino robotics kit wants to push users beyond standard programming to give them the chance to invent their own IoT products. Arduino is a single-board computer kit which aims to ...

The build uses an Arduino, an MP3 chip, a SD card, LCD screen, amplifier, and two speakers. Everything is then packed into a small repurposed box with buttons and a volume knob. The end result is a ...