Plug the RFID module into the breadboard with enough space around it. Connect the VCC pin to the Arduino's 3.3V (not 5V), and ...

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 ...

Aptly named the Tommy-Knocker the Arduino development board was originally created for escape rooms and is capable of controlling AC devices, electromagnetic locks ... board can control an ...

Arduino-Controlled Lock from nootropicdesign on Vimeo. This kit uses a CD-ROM drive and an Arduino board to build a clever robotic lock. This dude used a bolt to create the project and it’s ...

This is a hotel room door swinging open. The device he holds in his hand is an Arduino connected to the OUTSIDE portion of the door lock. It takes approximately 200 milliseconds from the time an ...

in part thanks to their Arduino microprocessors. Before you head out in search of a better lock, though, watch Kamkar explain how he built the machines after the break.