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Arduino Cat Laser

In this Arduino project, I show you how to build a simple servo laser tower controlled from a smartphone app called Blynk. This is ideal for making a toy for your cat or dog. #ArduinoProject #CatLaser ...
EDN

Digital FM Receiver Using Arduino and TEA5767 Module [Including a 3W+3W Class-D Amplifier]

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 ...
Hackaday

Make Your Own MIDI Controller With An Arduino

Engineers create something out of nothing, and no where is this more apparent than in the creation of customized computer hardware. To make a simple MIDI controller, you need knowledge of firmware ...
Hackaday

Laser Projector Relies On Steppers Rather Than Galvanometers

Laser light shows have always been real crowd-pleasers. There’s just something about the frenetic movement of a single point of intensely bright light making fluid animations that really captures the ...