Installation and example sketch for RFID
on Arduino

These RFID boards need 5V, GND and the input of serial in on the Arduino side. I got mine from Banggood.

Setup instructions for Arduino:

1. Connect as described in the picture and load the sample sketch.

2. Load the sketch

This sketch reads the number of a 128kHz RFID tag and sends it out via the Arduino serial console.
Copy and paste the following sketch into your arduino IDE: