Arduino Uno 4x4 Keypad 16x2 I2C LCD Servo Motor Buzzer How It Works Enter password using the keypad Correct password → Servo rotates to open door Wrong password → Buzzer alerts Components Used Arduino ...

Tired of fumbling in the dark to find your way to your bed after switching off your bedroom light? Here’s a smarter way to automate your lights — no stubbed toes required.

DIEES (Dipartimento di Ingegneria Elettrica, Elettronica e dei Sistemi) University of Catania, Viale A. Doria, 6 – I-95125 Catania, Italy ...