An Arduino library for the ST25DV64KC Dynamic NFC/RFID Tag. With this library, you can: Write WiFi credentials to the tag using your smart phone and then have your Arduino board read them via I2C Log ...

All methods communicate with an Arduino Uno + Relay Shield that acts as a "button presser" - it momentarily shorts the same terminals your existing gate motor remote/button uses. ARDUINO UNO + RELAY ...