Troubleshooting RFID Not Detected: Check connections between the RFID module and Arduino. Ensure correct wiring of SCK, MISO, MOSI, and SDA pins. Incorrect UID: Ensure the RFID card's UID matches the ...

Introduction This is a library to handle Seiko's RX8010SJ RTC module with an arduino. Original datasheet can be found here. To set up your module, you only need to power up and use the i2c protocol to ...

Meet the Arduino Compatible RFID Reader Module. It can hold card data for up to five cards, takes seconds to program, and holds card data in EEPROM memory, which means that the cards are saved ...

RFID enables wireless data collection by readers from electronic tags attached to or embedded in objects, for identification and other purposes. This article describes the construction of a simple ...

This module is built around NXP PN532, and the maker break out almost all of the I/O pins of the NXP532 chip on this little module. This Arduino-compatible module has the following features: Supports ...

Posted in Arduino Hacks Tagged access control, arduino, garage door, garage door opener, NFC, reddit, rfid ← Laser Etching Brings New Life To An IBM Keyboard Samsung NX300 Gets Rooted → ...