Keep reading to learn more. NFC tags come in a variety of shapes and sizes. The simplest ones are often built in the form of a square or circular sticker, and you’ll even find one embedded ...

NFC tags are small, unpowered devices that store and transmit data to compatible readers through electromagnetic fields. These cost-effective components offer high security features, including ...

The main difference comes in the control method. He’s using an NFC tag reader, which is mounted in the top portion of the RPi case. The image above shows the rig during prototyping, but his ...