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 ...

Today’s smartphones are incredible little machines—able to perform the function of ten gadgets within a single compact device. From professional-grade cameras and GPS navigation to automatic display ...

Sharp GP2D12 and 2Y0A02 infrared rangers output a voltage proportionate to the distance of an object from the sensor. The GPD12 senses objects at a distance of 10-80cm, while the 2Y0A02 has twice the ...

Some readers may recall building a line-following robot during their school days. Involving some IR LEDs, perhaps a bit of LEGO, and plenty of trial-and-error, it was fun on a tiny scale. Now imagine ...

The F-22 will receive an embedded set of TacIRST sensors as part of the Infrared Defensive System to enhance aircraft ...