NTE30116 Tinted Blue 5mm Infrared LED Emitter (940nm) SM0038 Photo Module for PCM Remote Control System (38kHz) The principle of this setup is somewhat simple and self-explanatory. In this circuit, ...

Bidirectional Visitor Counter using Arduino UNO and IR Sensor Introduction The aim of this project is to develop a circuit that can count the number of people entering and exiting a room using two ...

Working Principle The fundamental working principle of a line-following robot revolves around its ability to detect and react to visual cues on the ground using infrared (IR) sensors. The robot ...

We’ve featured loads of IR Arduino projects and they are all exciting and unique. The projects spring from a specific need or problem where a custom infrared remote control is the solution. [… ...

When a finger or other object touches the surface, it causes the IR light to scatter in many directions. Some of this light is directed down into the screen, towards an array of 64 IR sensors.