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“LED lights are beyond the budget of an average buyer”

As part of our series titled 'Global Trade Opportunities' where we try and identify international firms that are looking forward to do business in India, Anurag Gaur from electronicsforu.com spoke to...

QLED and IGZO: The Future of Television Display Technology

Product display screens are output devices that are used to represent output data or information. These are used in almost all electronic devices, such as mobile phones, televisions, refrigerators and computers....

Raspberry Pi and M2M Technology Power This Smart Street Lighting System

Venturing into the large-scale application market, a team of five from Bosch has come up with an indigenous smart street lighting solution, powered by Raspberry Pi, Bosch Internet of Things (IoT)...

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,...

LEDs for Solid-state Lighting

Solid-state electronics has been transforming our lives for many decades by bringing us increasingly small, cheap and efficient devices and appliances. Our modern life-styles have come to be defined by our...
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...

Light Emitting Diodes Next-Generation Smart Lighting Sources

Light-emitting diodes were invented in the 1920s. Today, LEDs come in various colours, brightness and wavelength—visible, ultraviolet and infrared. LEDs have a lot of advantages over traditional lighting including low energy...

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...

USB LED Night Light

A typical USB LED bulb shown in Fig. 1 is a 5V, 5W USB-powered solid-state lamp. At the heart of this light bulb is a circular aluminium PCB made with a...

Treasures from the Year of Light

Lighting has come a long way, from flint stones and firewood to fluorescent lamps and now light emitting diodes (LEDs). Today, we continue to see innumerable developments in this segment, right...

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