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 ...

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 ...

How transimpedance amplifiers are used in fiber-optic communications, laser rangefinders, and LiDAR systems. How avalanche photodiodes enhance TIA performance. Application-specific design and topology ...

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 ...

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 ...

Lumenara says that other features include a fast rolling shutter, 8- or 10-bit digital output, and input–output control for synchronization with strobe and peripheral devices. Both come with a C-mount ...

The sensor allows non-contact monitoring of moving objects with temperatures from 250 to 1250 ºC (482 to 2282 ºF) or in inaccessible or harsh environments. Units are available with 4-20 mA interface ...