Looking for practical Arduino projects? This guide shows how to control a relay from your smartphone using an Arduino Uno — ...

This ARDX kit offers the Arduino UNO R3 board and a user’s handbook, along with components to build 13 different circuits. These are not the simple battery-and-light projects you crafted in ...

The on-board 12 x 8 (96pixel) matrix of red LEDs (photo right) is Charlieplexed for pixel-level addressing. Arduino_LED_Matrix API is available for programming and control, and “we have developed a ...