[Pierre] recently bought his first car and decided to make his own RFID electric starter for it! An Arduino Nano controls two relays which in turn can turn the car on, start it, and turn it off.

The use of Radio Frequency IDentification (RFID) technologies is growing. Many different applications are implemented in various sectors, and used for very different purposes. RFID enables wireless ...

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 ...

When [gdarchen] wanted to read some NFC tags, he went through several iterations. First, he tried an Electron application, and then a client-server architecture. But his final iteration was to make a ...

Hardware with services lowers learning curve of adding cloud and app connections to devices. A while back, Ars took our first step into building the Internet of Extra Creepy Things (IoECT) with ...

Particle, a company that makes development kits for wireless Internet of Things applications—formerly known as Spark Devices—is preparing to ship a new board-based computer that will allow developers ...