Wiegand 26 34 126KHz EM RFID Reader
Purchased from Amazon.com. This is the item.
Wiring Guide
There are 7 wires exiting the back of this reader. The ESP-RFID project makes provision for 9-wire devices, but this device does not have the Orange nor Brown wires.
| Wire Color | Definition | ESP-RFID Relay Board Terminal |
|---|---|---|
| Red | 12V DC Power | VIN |
| Black | Ground | GND |
| Green | D0 (Data0) | D0 |
| White | D1 (Data1) | D1 |
| Gray | ?? | WG |
| Yellow | ?? | BUZ |
| Blue | ?? | LED |
According to the notes in the shipment, all other wires can be ignored.