This Circuit can compare the Light level in an area. It uses a PN Photodiode as the light sensor and IC CA3140 as voltage comparator. The circuit is ideal as the front end of burglar alarm circuits.

Ambient light is increasingly being used as a source of energy. To help designers of such systems, this circuit accurately measures ambient light intensity over four decades of ...

Illuminate your kid’s room and help banish nighttime jitters with this simple yet efficient night-lighting solution. Presented here is an interesting circuit of a minuscule, automatic, and battery ...

Scientists at Lawrence Berkeley National Laboratory and the University of California at Berkeley have created the world's first all-integrated sensor circuit based on nanowire arrays, combining ...

Canon has developed a new 3.2-megapixel single photon avalanche diode (SPAD) image sensor that can take color photographs in the dark, according to Nikkei Asia. It’s due to go into production next ...

If you have dark corners in your house and are looking for a convenient way to light up these spaces, snag the Ezvalo Motion Sensor Cabinet Lights while they're still on sale for 58 percent off.

Promising to deliver high quality imaging, the new effective-50-megapixel CMOS image sensor added to the LYTIA brand suppresses blowout in bright areas and noise and blackout in dark areas. Able to ...

Euclid’s Fine Guidance Sensor (FGS) is an apparatus that helps orient the telescope. Under normal circumstances, the FGS locks onto known stars to plot where the telescope is pointing in the sky.

It might seem like Sony is the only company making sensors these days, but Canon is trying to keep up. On top of the crazy 120-megapixel video it flaunted last week, Canon showed footage captured ...

Today, Planet82 leads the development of the world’s first Single carrier Modulation Photo Detector (SMPD) image sensor, enabling cameras to take high resolution photos or video in the dark — without ...