Often we see visitor counters at stadium, mall, offices, class rooms etc. How they count the people and turn ON or OFF the light when nobody is inside? Today we are here with automatic room light ...

A mini project using Arduino on: Bi-Directional digital visitor counter gate and automatic room light controller.

This counter circuit counts the number of visitors entering or exiting the place where you have installed it. It uses Johnson counter IC 4026.

This is a simple 0 to 9 counter circuit constructed using Arduino! Here, a common cathode 7-segment LED display is connected to Arduino for displaying the digits. The code (Arduino sketch) allows push ...

This Bidirectional Visitor Counter Circuit helps to count the number of people entering or leaving the room, and displays the total count on the screen. It is mainly helpful to use in parties, ...

A simple visitor counter system implemented using Arduino UNO which counts the number of person entering and leaving a hall. This project was implemented using Arduino UNO and Infrared Sensors. The IR ...

Circuit diagram of the Arduino based visitor alarm is shown below. It is built around an Arduino Uno board (Board1), a reed switch (S1) and a piezo buzzer (PZ1).