Free Electronic Circuits

Free Electronic Circuits & Schematics

Electronic Security Lock

Security locks are the one of the well-known solutions against acts of thievery, vandalism etc. Mechanical and electronic are the two types of security locks available out of which electronic … Continue reading

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Shadow Detector Security System

Home thefts are increasing day by day even in the day light. We install various expensive security systems but even after that the theft doesn’t stop. We need a system … Continue reading

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DIY- Video Game Circuit

Many of us have played video games in our childhood, firing bullets from our airplanes on the enemy airplanes. But how many of us ever thought of creating a video … Continue reading

July 25, 2013 · Leave a comment

Siren Using 555 Timer IC

555 Timer IC  is very versatile IC and has been used in various electronic circuits. Several applications are possible with this IC such as timer for light, timer to glow … Continue reading

June 28, 2013 · Leave a comment

DIY Decorative Lightning Circuit

Everyone wants his house to look good when the sun goes down. Decorative lighting or Fancy lighting is the best way to make your house look good. Fancy lights are … Continue reading

June 28, 2013 · Leave a comment

Wireless remote for a toy car

Many of us have played with a toy car in their childhood. Earlier hand held toy cars were there but increase in technology made toy cars remote controlled. Wireless remote … Continue reading

June 28, 2013 · Leave a comment

Lane Changing Indicator for Cars

Changing the lane without giving any indication can be very dangerous. Lane Changing indicator is the key solution. Short tap on the car’s turn indicator handle will engage lane changing … Continue reading

June 27, 2013 · Leave a comment

Counting Circuit using a Johnson counter

Johnson counter is a special integrated circuit used where digital display is required. The Johnson counter is commonly known by its IC number i.e. CD4026. CD4026 IC counts from 0-9 … Continue reading

June 27, 2013 · Leave a comment

Automatic Electronic Bell

Many educational institutes use an electronic bell to notify students about the next lecture, recess etc. Often, someone is hired to take care of ringing the bell at regular intervals.. … Continue reading

June 26, 2013 · Leave a comment

A Game Which Challenges Your Luck

Playing games have always been fun but games that put luck at test have always grabbed more interest. Here it is a home made number guessing game which challenges your … Continue reading

June 26, 2013 · Leave a comment
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