Vehicle Detection: Ultrasonic sensors monitor each parking slot and send data to the Arduino Uno. Slot Availability Display: Real-time updates shown on an LCD using I2C communication. Barrier Control: ...

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 ...

The module described in the project allows you to control 4 relays and read 4 digital inputs (opto-isolated) using the I2C bus. The use of connectors compatible with other QWIIC boards allows for easy ...