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Efficient 5V Relay Driver

Suresh Dwivedi
This design idea outlines a method to use an analogue switch and discrete components to reduce the power dissipated in relay actuation. Presented here...

Simulate Your Circuits Using Qucs

EFY Bureau
In this article we explore the features and functions of Quite Universal Circuit Simulator (Qucs) and go through a step-by-step analysis. Qucs is available...

RED PITAYA – An All-in-One Oscilloscope, Function Generator, Spectrum & Frequency Analyser

EFY Bureau
We are in the era of mobiles, gadgets and instruments that are portable, packed with lot of features, have web connectivity and available at...

From 50MHz to 100GHz, Bench-Top to Wristwatch Oscilloscopes Have Come a Long Way

EFY Bureau
In this story, we explore the latest features and kinds of oscilloscopes that play an integral role in effectively testing designs today. We also...

Signs of Coming of Next-Gen FPGAs

EFY Bureau
A field-programmable gate array (FPGA) is all about programmability of software, hardware, input-output (I/O) and often analogue components too. With better design and programming...

18 Free eBooks on Robotics And Automation

EFY Bureau
Robotics and Automation are undoubtedly the most happening things in the industry. Here's bringing 18 free ebooks! Atithya Amaresh Robot Localization and Map Building Author: Hanafiah Yussof Published...

Super-Efficient Electric Ceiling Fans with Infrared Remote Controls

EFY Bureau
In a tropical country like India where energy-hungry common appliances are used continuously round the year, super-efficient ceiling fans can have an enormous effect...

Accelerometers and Gyroscopes: The Stars Amongst the Sensors

EFY Bureau
Check out some of the recent mobile devices, like last year’s iPhone 5S or Galaxy S4, and you will see several new features in...

Fourth-Generation Free-Space Optics

EFY Bureau
Despite the availability of high-speed telecommunication facilities in the neighbourhood of last-mile locations such as business centres, offices and homes, there are still some...

Wearables… Gaming… Televisions: Gadgets Galore at CES 2014

EFY Bureau
  Another year, another international CES gone, and just like every year, this year saw quite a few new gadgets as well. From open source...
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