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Automobile Electronics

Sequential Bar Graph Turn Light Indicator Circuit for Car

Last Updated on May 16, 2026 by Swagatam 167 Comments

SequentialLEDPart2

The article illustrates a simple yet innovative, fancy car turn signal light circuit which produces a rising bar graph sequence effect when switched ON. The circuit idea was requested by Mr. +Bruce Lowry. I have explained more. Technical Specifications I am after a circuit design similar to the LED Bar Graph circuit that is found […]

Filed Under: Automobile Electronics, Lamps and Lights Tagged With: Graph, Indicator, Light, Sequential, Turn

Build a Homemade GSM Car Security System

Last Updated on May 16, 2026 by Swagatam 54 Comments

1 13

This super simple circuit design of a gsm car security system really works.Don’t believe it? Find out and learn the simple method of constructing it. How would you feel if you had the power of controlling your vehicle through your own cell phone, from any part of the world? Learn more how to build a […]

Filed Under: Automobile Electronics Tagged With: Build, GSM, Homemade, Security, System

3 Interesting DRL (Day Time Running Light) Circuits for Your Car

Last Updated on May 16, 2026 by Swagatam 113 Comments

DRL 2

DRL or Day Time Running Lights are a chain of bright lights mostly LEDs installed just under a vehicle’s headlight, which illuminate automatically during day time to ensure that others can distinctly notice the vehicle approaching even from a distance. The following customized DRL circuit was requested by Mr. Jivesh Technical Specification as Provided by […]

Filed Under: Automobile Electronics Tagged With: Circuits, DRL, Interesting, Light, Running, Time

LED Tail Ring Light Circuit for your Car

Last Updated on May 16, 2026 by Swagatam 8 Comments

fancyLEDcartaillightcircuit

In the following post I have explained a fancy LED sequencing/diverging ring light circuit which can be used as a tail brake light  in cars. The idea was requested by one of the avid readers of this blog, Mr. Bobby. I have explained more. Technical Specifications: Hello, I was just reading thru your wonderful article […]

Filed Under: Automobile Electronics Tagged With: LED, Light, Ring, Tail

Rain Triggered Instant Start Windshield Wiper Timer Circuit

Last Updated on May 16, 2026 by Swagatam 6 Comments

raintriggererdwipercircuit

The following circuit was requested by one of the readers of this blog Mr. Keval. The actual request was for a rain triggered windshield wiper circuit, but the idea here has been further enhanced with a quick start feature for better efficiency. How Conventional Wiper Systems Work Normally, electronic wiper control circuit involve a bistable for switching the […]

Filed Under: Automobile Electronics Tagged With: Instant, Rain, Start, Triggered, Windshield, Wiper

Make this Voltage Stabilizer Circuit for Your Car

Last Updated on May 16, 2026 by Swagatam 53 Comments

carvoltagestabilizercircuit

In this post I have explained about a car voltage stabilizer circuit which could be made and installed in all cars for ensuring a perfectly controlled and stabilized supply for the associated sensitive electronics and gadgets. Understanding Car Electrical A car electrical is probably more volatile than our house electrical, simply because it is generated […]

Filed Under: Automobile Electronics Tagged With: Stabilizer, Voltage

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