This quirky little gadget went viral on TikTok, but it's got a lot more going for it than meets the eye. Here are some of the ...

Using a smartphone as a key enables you to open and close doors remotely (handy if you aren’t sure whether you locked the front door when you left the house) or provide temporary access to guests. As ...

The built-in 5V to 3.3V regulators and power MOSFETs save both cost and area on the PCB. NFC supports three different operation modes: reader/writer, card emulation, and peer-to-peer. ST’s NFC / RFID ...

In healthcare, NFC facilitates patient identification, access control, and secure data transmission between medical devices. Additionally, NFC-enabled smart wearable devices enhance real-time health ...

QUICK ANSWER NFC tags and readers communicate wirelessly with each other over very short distances. Tags store a small amount of data on them that is sent to the reader in the form of ...

A basic RFID system has four components: a tag, an antenna, a reader and a database. RFID tags consist of an integrated circuit and an antenna, held together by protective material that shields it ...

The ACS ACR122U NFC Reader is pretty popular and widely supported. It doesn’t work as a HID device out of the box, but with the right software, you can configure it to output the UID as keyboard ...

Unlike NFC, RFID only supports one-way communication — from the tag to the reader — and can’t store nearly as much information. Then there’s the new kid on the block: Ultra Wideband (UWB).