IR LED | Infrared LED | Infrared Sensor

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...

What Is Light Dependent Resistors (LDR)?

LDR (Light Dependent Resistor) as the name states it is a special type of resistor that works on the photoconductivity principle means that resistance changes according to the intensity of light....

Make This Automatic LED Staircase Light

Going up or down a staircase can be a challenging task at night, especially for kids and elderly people. This Automatic LED Staircase Light circuit lights up two LEDs, one at...

How LEDs Are Being Used In Health Sector

LEDs have proven their versatility in the healthcare sector. Coloured light, for example, has a calming effect on patients, as dynamically changing the light provides the human organism with activating impetus. LEDs...

Holograms For Driver Navigation

Once photography was considered to be the best means of recording visual information, but with development of holography, the perception about 2D images changed. Holography is a technique that creates a...

Bringing Advanced Precision To Laser Marking Systems

In addition to saving time, laser technology improves safety and results by utilising miniature optical encoders with high resolution and accuracy to focus exactly on the target spot in surgeries usually...
Fig. 1: Circuit diagram of the LED flasher using Arduino

Flash Twenty LEDs Using Arduino

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...
lifi

Smart Lighting with LiFi

Light has been always a matter of scientific interest, especially in modern science. Many of us have heard or some may have studied about wave particle theory about light, which consider...
testing lasers in lab

Laser Light Transforming Vision And Machines

Usefulness of semiconductor laser technology is constantly increasing, especially quantum dot (QD) lasers that reliably operate with low noise at high temperatures. Vision is evolving through QD’s laser light by precise...

How LEDs Are Transforming The Lighting In Vehicles

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...
 
 
 

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