Code, wiring diagrams, and documentation describing how to interface ... The reader communicates via serial interface - since Arduino UNO/Nano only have a single hardware serial port (and that is ...

Connect the components as per the wiring diagram. Ensure the RFID module is properly connected to the Arduino's SPI pins. Connect the I2C LCD display to the Arduino's I2C pins (SDA and SCL). Upload ...

Wire up the Arduino to the RDM6300 RFID Reader Module as shown in the diagram. The 5V and GND pin of the RDM6300 module is connected to the 5V and GND pin of Arduino Nano while the TX pin of the ...

Our comprehensive Arduino RFID door lock tutorial provides complete wiring diagrams and code for building a secure access control system. Interference from other radio-frequency (RF) emitting devices ...

[Pierre] recently bought his first car and decided to make his own RFID electric starter for it! An Arduino Nano controls two relays which in turn can turn the car on, start it, and turn it off.