Free Electronic Circuits, Projects, Design, Circuit Diagrams, Hobby Kits and Schematics

This site contains a huge collection of FREE electronic circuits & do-it-yourself (DIY) electronic circuits covering a wide range of categories in electronics like audio, music,home/garden related,computer hardware,radio,robotics etc to name a few. There are also links to sites that offer hobby electronic kits and other electronics hobby related stuff. Use the menu on the left to browse different circuit categories. You can view the entire circuits index here 

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Recent discussions on the forum: 

Proper connection of power and audio out on an fm receiver by: Duhjoker0077May 19, 2013, 6:53 pm
Connecting power components to Fm radio transmitter module by: Duhjoker0077May 19, 2013, 3:08 pm
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IR object counter help. Urgent! :O by: will.joycMay 16, 2013, 4:31 am
Help (Solar Lamp Circuit) by: RogueravenMay 13, 2013, 6:58 pm
i have 80 led bulbs that i want to make strobe by: ardoin747May 13, 2013, 3:14 pm
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Circuit using a 555 timer for homework!! by: SierraCatMay 8, 2013, 10:23 am
FET Help by: asoljazworldMay 4, 2013, 5:58 pm
using infrared repeater on an infrared receiver? by: pebeMay 4, 2013, 12:52 pm
egg project by: dakosvetnikMay 3, 2013, 1:20 am
simple gsm project by: uydarpApril 28, 2013, 6:16 pm
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Bottleneck 555's 0.2A Stuck project by: 121434244April 25, 2013, 11:22 am
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Current Source Project Ideas by: ggbc11April 23, 2013, 11:34 am
Circuit needed for smooth alternating 220V flasher by: landriesseApril 22, 2013, 3:27 am
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The information presented on this site contains a huge collection of circuit diagrams which are primarily intended as a source of reference to engineers, students, repair technicians, and hobbyists. Most of the projects are given a brief description regarding its operation and hence a person with some knowledge can easily understand them and construct the circuits. This website boasts of visitors from all over the world from countries like USA, India, UK, Australia, Canada and so on.

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