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How To Make an LED Bulb

In this video, the author is building a led bulb from junk parts and led strip. Only thing that is needed is a led strip and a DC adapter. Courtesy: American Hacker  
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Control your LEDs with your TV remote (Arduino IR Tutorial)

In this project, the author will show you how he repurposed the useless buttons on my TV remote to control the LEDs behind his TV. You can also use this technique...

Come Forth Into the Light of Things

“Come forth into the light of things, let nature be your teacher,” wrote William Wordsworth in his poem from 1798 titled The Tables Turned. Any conspiracy theorist worth his salt would...

7×5 LED Matrix Using Arduino

Presented here is a simple 7x5 LED matrix circuit vriven by Arduino Uno (Arduino LED). It can be used to display your name or create any number of patterns. If the...

Controlling RGB LEDs To Get Million Colors In Your Pocket!

Many modern lighting applications need millions of colors. That is why we are finding RGB (Red Green Blue) LEDs all around us - in our phones, traffic lights, cars, advertising signs,...

Not all LED Drivers Provide ‘Clean’ Light

Incandescent bulbs are essentially ohmic resistors and consume sinusoidal current from the mains grid. The power factor of these devices is essentially ‘1.’ With LED lights, things are somewhat more complex. LEDs...

ULTRA-BRIGHT LED LAMP

This ultra-bright white LED lamp works on 230V AC with minimal power consumption. It can be used to illuminate VU meters, SWR meters, etc. Ultra-bright LEDs available in the market cost...

7 Segment Display Pinout | Working Understanding of 7 Segment Display

A seven-segment display is commonly used in electronic display device for decimal numbers from 0 to 9 and in some cases, basic characters. Use of light emitting diodes (LEDs) in seven...

Twinkie, Twinkie little LEDs

SEPTEMBER 2011: Big things come in small packages. This statement holds 100 per cent true for light-emitting diodes (LEDs), which are now celebrated for many salient features including small form factor,...

Anatomy Of A ‘Smart’ Street Light System

How does one create an intelligent lighting solution for controlling street lights and lamp posts? What are the subsystems and components that go into it? The folks at STMicroelectronics explain these...