The sensor continuously sends out infrared light and measures how much of that light is reflected. When a reflective object is within its set detection range, it returns a low signal. The Arduino ...

I recently had to build an infrared close proximity sensor that could tell if something was dropped in a parcel delivery drop box. After some searching, I ended up using a microcontroller and a piece ...

This project uses an Ultrasonic Distance Sensor to measure the distance in front of the device. Based on the distance, it controls four DC motors and a servo motor to steer and rotate the device: 🚗 ...