How To Make Precise Digital Weighing Scales?

Digital weighing scales are the most precise and extremely dependable when it comes to domestic, laboratory or industrial usage. In today’s competitive market, weighing scales have become highly integrated and cost effective. For...

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,...

Augmented Reality: Where It Starts

Ever wondered how in Star Wars holographic projections were made for transferring messages? And in Iron Man, where Tony Stark plays with his hi-tech interactive laboratory, designing his super-cool suits and...

Wireless Charger Designs For Battery-powered Devices

Wireless charging is a new technology good to charge almost any device − smartphones, tablets, wireless speakers, mice, keyboards, wearables, digital cameras − and many more battery-powered devices. You can charge a device to...

Digital Blood Pressure Monitoring Devices

Electronic blood pressure (BP) devices, also called BP monitors or digital monitors for BP, are battery-operated monitors that use a microphone to detect blood pulsing through the arteries. While you have...

Android Smartphone As Barcode/QR Scanner

We are all familiar with barcode scanners used in shopping malls, logistics and other places. These can scan only barcodes and are usually wired. Also, these can scan only one type of...

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,...

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...

Wireless Bluetooth Audio System For Outdoor Use

Want to take your tunes on-the-go? Bluetooth audio systems are great and give you the freedom to take music wherever you go. Instead of buying an expensive sound system, you could design your own...

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...