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Archives for 2014

Car Door Close Optimizer Circuit

Last Updated on May 16, 2026 by Swagatam 18 Comments

In this post I have explained and tries to solve a common car door opening issue which may be seen in quite a few old model cars. The proposed circuit of a car door close optimizer was requested by Mr. Mark Rothwell. Technical Specifications Just stumbled across your site, hope you can help/advise me?I have […]

Filed Under: Automobile Electronics Tagged With: Close, Door, Optimizer

Modifying Car Turn Signal Lights, Park-Lights and Side-Marker Lights

Last Updated on May 16, 2026 by Swagatam 53 Comments

modified park lights

In this post I have explained an innovative circuit modification which allows a single common lamp to be used as a parking light, turn signal indicator light, as well as a side marker light on the relevant positions. The idea was requested by Mr. Chris Technical Specifications I have a project that is slightly related […]

Filed Under: Automobile Electronics Tagged With: Lights, Modifying, Park, Side, Signal, Turn

Upgrading Car Parklights to Enhanced DRLs

Last Updated on May 16, 2026 by Swagatam 11 Comments

DRL smart circuit

In this article I have explained a simple circuit idea which can be applied in order to convert existing car park lights into advanced, smart DRL system. The idea was requested by Mr. Chris. Technical Specifications I was very interested in reading the circuit diagram you posted a few months back regarding the ‘Smart DRL/indicator […]

Filed Under: Automobile Electronics Tagged With: DRLs, Enhanced, Parklights, Upgrading

Car Radiator Hot Indicator Circuit

Last Updated on May 16, 2026 by Swagatam 3 Comments

car radiator indicator circuit 1

The proposed circuit is very useful which warns the car driver before hand once the radiator gets heated up above the preset level. How it Works The working of this circuit is very simple and works off on the car battery. The familiar IC555 is used here which is the heart of the circuit. The […]

Filed Under: Automobile Electronics, Indicator Circuits Tagged With: Indicator, Radiator

Customizing Car Side Marker Lights to Flashing Side Markers

Last Updated on May 16, 2026 by Swagatam 32 Comments

240SXDiagram

In this article I have explained a car side marker modification which enables it to respond to the existing turn signal pulses and flash in tandem with the turn signal flashing. The idea was requested by Mr. Jerry Klein. Technical Specifications I have a 1990 automobile which I believe does not have very sophisticated circuitry […]

Filed Under: Automobile Electronics Tagged With: Customizing, Flashing, Lights, Marker, Markers, Side

How to Make a Car Power Window Controller Circuit

Last Updated on May 16, 2026 by Swagatam 43 Comments

autorollupordownmodul BROKEN

In this article I have explained a car power window controller circuit using a single push button or a couple of push buttons. The idea was requested by Mr. Win. Technical Specifications I’m winantiyo from Indonesia, i’ve read your post in your blog and i’m very like it.i have 2 project: 1. auto roll up power […]

Filed Under: Automobile Electronics Tagged With: Controller, Power, Window

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