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LED lighting is emerging as the natural choice in automotive applications due to its inherent energy efficiency and environment-friendliness. It also enables creative lighting designs that enhance the aesthetics of an automobile. A few years back, LEDs were just an...
LED billboards, screens and other products are getting more popular by the day. LED displays have become an important part of the way modern businesses communicate with their customers. Their high brightness, low power consumption, and longer shelf life...
These thin films come with the benefits of better light reception and electrical conductivity, besides being environment-friendly.  Traditionally, semiconductors made from silicon have been used for creating materials that conduct electricity. Now, scientists from the University of Buffalo, the U.S....
Presented here is the circuit that drives twenty LEDs in a random manner. LED flashers and sequencers are used in decorative lights to give pretty colour combinations by glowing LEDs in random or sequential manner. This flasher has a...
The minuscule LED night marker presented here is an automatic light beacon that wakes up at night, or when there is not enough ambient light in its environment. Anyone active in the dark (walking, riding, swimming, etc) can utilise...
An Infrared light emitting diode (IR LED) is a special purpose LED emitting infrared rays ranging from 700 nm to 1 mm wavelength. Different IR LEDs may produce infrared light of differing wavelengths, just like different LEDs produce light of different...
Modern lighting solutions are advancing at a fast rate and can deliver a host of benefits. With the advancements in technology and its integration with lighting solutions, today it has become possible to enable processes that were previously unthought....
This project turns on and turns off a laser LED after every second. It can also monitor its own supply voltage level. The circuit can be extended for use as an audio-visual alarm system for security applications. Keyes KY-008 laser...
Computer scanners and digital cameras, which can see, store and manipulate words and images, are the end product of a technological evolution that began with a single cell, a photocell, also called a photodiode, photovoltaic cell or photo site....
Wooden-case, battery-operated wall clocks with pendulums are available in the market. Some even have chimes. What is missing is the tick-tock sound of old mechanical pendulum clocks. Tick-tock sound generator circuit Shown above is the circuit of a tick-tock sound generator....