##Publish the UID of an RFID Card, Sticker or KeyChip to an MQTT Server.
#Hardware
- ESP8266 (ESP-01 is not supported)
- MRC522
- RFID Tags
#Software
- Arduino IDE (1.6.9)
- ESP8266 Boards (2.3.0)
- MQTT Lib (1.10.1)
#Pinout WEMOS D1 Mini
RC522 -> WEMOS
3V3 -> 3V3
GND -> GND
SDA -> D8
SCK -> D5
MOSI -> D7
MISO -> D6
RST -> D3#FHEM integration
define rfid_reader MQTT_DEVICE
attr rfid_reader IODev MQTT (your mqtt device)
attr rfid_reader stateFormat transmission-state
attr rfid_reader subscribeReading_uid /hardware/rfid_reader/uid