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.

This “Super Light Sensor” responds to minute fluctuations in light level, auto-adjusting over the range from about 200 lux up to 60,000 lux (ie, from a modestly lit room to direct sunlight). It has ...

The new Regula 4306M incorporates enhanced light sources and a high-resolution camera, ensuring forensic experts can detect intricate protective elements. This upgrade strengthens document examination ...

SAN JOSE, Calif.--(BUSINESS WIRE)--BAE Systems, Inc. has unveiled its backside illuminated (BSI) “Hawkeye” HWK1411 ultra low-light image sensor, enabling market-leading night vision capabilities with ...