Follow the schematic below to use this sketch. ![Schematic for I2C display device](https://github.com/pu2clr/SI4735/blob/master/extras/images/schematic_basic_oled ...

RFID Module: Reads the UID from an RFID tag/card. If the UID matches the authorized UID, access is granted. This project is open-source and can be freely used for educational purposes. I demonstrate ...

An RFID-based attendance system transforms the tedious task of manual attendance tracking into an automated, error-free process. What makes this project particularly exciting is how a few inexpensive ...