I just received my RC522 RFID reader and made this simple Arduino access control system that uses the reader, a buzzer for the alarm and a relay shield for the security system. The relay can be used ...

An Arduino is a microcontroller — a single board designed to control something and perform ... is lay your clothes flat on ...

and to program the lock with a the hotel's "sitecode" -- a 32-bit key that identifies the hotel. By plugging an Arduino microcontroller into the DC socket, Brocious found that he could simply read ...

Once his son showed him an Arduino, though ... he controls with a Polulu Qik serial DC motor controller. In compass steering mode, a Pololu IMU locks in the heading to steer (HTS).

This little hack project by Kellbot of NYCResistor takes a rolling ball, an optical mouse, a gutted PS2 controller, and some Arduino hacking and makes it into a working (and awesome) virtual Katamari.

Maker, developers and hobbyists that enjoy building Arduino platform based projects might be interested in a new Arduino Motor Shield called the Arc controller which has been created by Arc Robotics.