Bidirectional Visitor Counter Using Arduino - YouTube
Bidirectional Visitor Counter with Automatic Light Control - Arduino Project Hub
GitHub - zero-based/arduino-visitor-counter: A mini project using Arduino on: Bi-Directional digital visitor counter gate and automatic room light controller.
Bidirectional Visitor counter using Arduino and Ultrasonic Sensors
How to make a bidirectional visitor counter - Arduino Project Hub
Bidirectional Visitor Counter using Arduino » ElectroDuino
Visitor Counter Using Arduino on TinkerCad : 3 Steps - Instructables
Visitor Counter Using Arduino | Bidirectional - Creativity Buzz