Looking for practical Arduino projects? This guide shows how to control a relay from your smartphone using an Arduino Uno — either via Bluetooth or Wi-Fi.

Best Arduino kits This kit features the Arduino Uno Rev 3 microcontroller, and it includes over 100 components along with a 170-page guidebook that details 15 engaging projects.

The rise of the machines starts with you. Start cranking out droids with this awesome Makeblock Arduino Starter Robot Kit, now just $79.99 - 46% off - ...