Truly smart cities in India

Make Home Electricity Meter To Cut Bills!

For a domestic or small commercial environment, single-phase electricity meters help to cut down costs of a three-phase distribution network. Read on to view some ready-to-use single-phase meter reference designs which can calculate accurate...

How To Make RF Remote Controls?

Radio-frequency remote controls are inevitable. They are now appearing in great numbers owing to better user experience and by overcoming various drawbacks of infrared (IR) remotes including - line-of-sight pointing, short transmission range,...

How to Build A Voice Recorder?

Voice recorders are required in many modern applications which require recording sound such as speech, singing and instrumental music. For those who want to build their own voice/sound recorders, read on to...

Display Brightness Control Using Ambient Light Sensors

With more than ever electronic products available today and accessible by consumers, Ambient Light Sensors have become an indispensable component for a variety of design needs. Poor environmental lighting or changing...

IR Remote Designs For Home Appliances!

With readily available and inexpensive Infrared emitters and detectors, Infrared (IR) remotes are quite common in almost all home appliances like televisions, CD/DVD players, air conditioners, microwaves, computers, set-top boxes and...

How To Make A Wearable Fitness Tracker?

A personal fitness tracking device is a perfect way to help you understand your exercise and health habits so that so that you can stick to your fitness regimes. A lot of these...

Switching-Mode Power Supply (SMPS) Design

A majority of electronic DC loads like motors, LEDs and microprocessors need regulated source voltage levels which are not obtained from standard voltage sources. The Switched-Mode Power Supply (SMPS) is a...

Build An Efficient HID Lamp Driver Circuit

LEDs are one of today's most energy-efficient and rapidly advancing lighting technologies. However, High intensity discharge (HID) lamps are still an attractive lighting choice in recent times for their many advantages over incandescent...

How To Make A Wireless Sensor Node?

In many applications, harvesting of ambient energy sources becomes a necessity.  Wireless sensor nodes are thus becoming increasingly widespread these days for monitoring and recording parameters like temperature, humidity and pressure at diverse...

Designing Li-ion Battery Chargers

Lithium-ion batteries are the best battery choice you’ll ever need to power just about anything — from your laptop, cell-phones and digital cameras to bluetooth headsets, media players, medical and wearable devices. Get...

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