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 ...

The ArduIMU Quadcopter is a DIY Arduino helicopter that has been ingeniously designed to avoid objects and not bump into things. This innovative helicopter features four rotors and is equipped with ...

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 ...