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 ...

In winter, it’s important to ventilate living and working spaces regularly. Here’s how to make a homemade measuring station ...

An Infrared close object sensor installed on an industrial vehicle detects objects or pedestrians located in a hazardous area. When it detects a problem an audio/visual indicator makes an alert, that ...

One of the most interesting parts of the Nintendo Switch has gone nearly unused by game developers, including Nintendo, for the first year of the system’s existence. A mind-blowing demonstration ...