Apart from the Arduino UNO, the circuit consists of two more ... sensor drives an infrared emitter to illuminate an object, then looks for the reflectance from the object to detect its close proximity ...

[Dave Jones] from EEVBlog.com takes “Arduino fan boys” off the garden path getting down and dirty with different methods to capture, evaluate and retransmit IR remote control codes. Capturing ...

The robot uses a whopping 32 IR sensors to follow a black line across a concrete workshop floor, adjusting its path using a steering motor salvaged from a power wheelchair. An Arduino Mega Pro ...