A touch-free hand sanitizer dispenser using Arduino Uno and ultrasonic sensors to detect hand proximity and control a motor pump. This project highlights the application of digital electronics in real ...

This project is a contactless automatic hand sanitizer dispenser built using Arduino UNO, multiple sensors, and a servo motor. It detects a hand and dispenses sanitizer automatically without physical ...

Abstract: The hand sanitizers are playing major role in people’s life when the corona virus had started infecting all around the world. To not infecting the corona virus there are some precautions to ...