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.

In order to help his friend prepare for a talk at DEFCON this weekend, [Craig] built an IR photodiode amplifier circuit. The circuit extended the detection range of the hack from a few inches to a few ...

Single junction type (a) and the proposed double junction type (b) solar cells are compared with the conventional TANDEM type (c) and the proposed face-to-face type (d) multi-junction connections. A ...

The newly developed waveguide photodiode can be incorporated into various types of programmable photonic devices to measure the intensity of light travelling in the waveguide, with accuracy ...

Now we can stepped into the light with our favorite microcontroller Arduino! Since a vast number of analog/digital ambient light sensors/light sensor modules are now available at reasonable price, ...

Pune, Aug. 03, 2023 (GLOBE NEWSWIRE) -- Based on the SNS Insider report, "the InGaAs Photodiode Sensor Market reached a value of USD 205.5 million in 2022, and it is projected to witness significant ...

Unveiled at this year’s 2024 IEEE International Electron Devices Meeting (IEDM), imec and its partners in the Belgian project Q-COMIRSE, have presented a first of its kind prototype shortwave infrared ...

Detecting infrared light is critical in an enormous range of technologies, from remote controls to autofocus systems to self-driving cars and virtual reality headsets. That means there would be major ...

Programmable photonics devices, which use light to perform complex computations, are emerging as a key area in integrated photonics research. Unlike conventional electronics that transmit signals with ...

Last week, at the 2024 IEEE International Electron Devices Meeting, in San Francisco, imec, a research and innovation hub in nanoelectronics and digital technologies, and its partners in the Belgian ...