Here are some DIY LDR switch circuits available on our website and the web. LDR switches are used to switch a relay or other device when light are present or absent. LDRs or Light Dependent Resistors ...

[Limpkin] designs circuits for a living. This board is one of his recent projects, and although his skills are light years ahead of our own experiences, he did a pretty good job of explaining how ...

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. The circuit uses an Op Amp as voltage comparator. In ...

Texas Instruments (TI) expanded its portfolio of sensing integrated circuits (ICs ... humidity, ambient light and capacitive sensing in a host of industrial and enterprise applications.

They are essential components in nanophotonic circuits for enhancing light-matter interactions ... and label-free optical sensors for various applications, such as chemical and biological sensing, ...

The eye's light-sensing retina taps different circuits depending on whether it is generating image-forming vision or carrying out a non-vision function such as regulating pupil size or sleep/wake ...

This work may allow for inexpensive electronics to be incorporated into wearable sensors or computers ... of organic integrated circuits using persistent light-induced changes in the molecular ...

Scientists at the U.S. Department of Energy's Lawrence Berkeley National Laboratory and the University of California at Berkeley have created the world's first all-integrated sensor circuit based ...

A new article by researchers from Technion’s Andrew and Erna Viterbi Faculty of Electrical and Computer Engineering tackles this challenge, showing advanced light imaging in photonic circuits on ...

Four new Texas Instruments sensing integrated circuits (ICs) allow engineers to accurately sense key parameters in tight spaces with very low power. These new products provide solutions for ...