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Noise or Sound Sensor Alarm Circuit using IC 555

Frank Donald January 17, 2014 21 Comments

Source : EFY Sensor circuits are widely available and are of several types each possessing significant uses. The above sound sensor alarm circuit is one of that kind where it was used to detect the sound signals in the environment….
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Sensor Circuits

microphone, Timer IC 555

(Radio Frequency) RF Remote control circuit

Frank Donald January 13, 2014 14 Comments

  The Radio Frequency RF remote control circuit has wide range of applications and we have been using this in our daily life. And its important for Electronics engineers and hobbyist to understand the operation of RF based wireless remote…
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Transceiver Circuits

RF

Four way Traffic light system using 8051 Microcontroller and 7 Segment

Frank Donald January 3, 2014 79 Comments

four-way-traffic-light-system-8051-microcontroller

Traffic light system was one of the fascinating applications of Embedded systems and have been using the same till this day. I have previously posted a simple Traffic light system for one way roads with small timings check it out if…
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8051 Projects

LED, microcontroller

Best DIY Electronic Circuits

Frank Donald December 30, 2013 2 Comments

Hello today i have come up with a list of cool electronic circuits which tops the visitors hits in our site. The main aim of this post is to offer you some of the best circuits which you might have…
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Electronics

diy projects

Working of HT12E Encoder IC

Frank Donald December 24, 2013 61 Comments

Pin Diagram of IC HT12E HT12E is a 2^12 series encoder IC widely used in remote control and very common among Radio Frequency RF applications. This HT12E IC capable of converting 12 bit Parallel data inputs into serial outputs. These…
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IC Working

encoder

Six Simple LED Lighting Circuit for Christmas

Frank Donald December 17, 2013 3 Comments

Christmas season has been fascinating as everyone love to decorate their houses and trees with beautiful lights. I personally feel great joy to look at my Christmas tree on winter nights and admire the way i decorated it. But as…
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LED Circuits

LED

Image Slide hover effect using CSS and HTML

Frank Donald December 12, 2013 3 Comments

Image hover effects have been  quite interesting to work and moreover it enhances the beauty  of websites when added at right places. You might have come across many types of Image hover effects created using simple HTML and CSS codes….
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Web Designing

css, html

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