Energy companies often operate in remote regions of the world, where Internet access is not always available or robust. Yet technicians need quick access to critical part information to make repairs.

The circuit was built to read and decode the RFID tags with 125 KHz frequency using a single low cost ATtiny2313 ATMEL microcontroller. After the tag has been read and decoded, the code will be ...

A few months back, [John] was reading an article about a simple RFID security system kit, and decided he would like to build one himself. While many of the system’s details, including full schematics ...