Build a Speed Sensor using Arduino with IR speed sensors to accurately measure the speed of moving objects. This tutorial covers circuit design, sensor calibration, speed calculations, and optimized ...

The microcontroller-based concept was chosen because I wanted to scale the sensor system later to suit other applications. Here is the diagram of my Arduino infrared close proximity sensor. As you can ...

Learn how to build an IoT crowd monitoring system using the Arduino UNO R4 WiFi and Arduino Cloud. This project uses IR sensors and servo motors to count and manage the crowd in real-time.