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Automobile Electronics

Make this Car Air Ionizer Circuit

Last Updated on May 16, 2026 by Swagatam 74 Comments

carionizercircuit

In this post I have explained the construction of a car air ionizer circuit which can be used for cleansing the atmosphere of car interior from smoke, pollution, dust particles, bad odor, pollen particles etc. The circuit was requested by Mr. Edalcor Zuproc. The Circuit Concept In one of my previous posts we saw how simply a home air […]

Filed Under: Automobile Electronics Tagged With: Ionizer

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

Darkness Activated Car Head Lamp Circuit with DRL

Last Updated on May 16, 2026 by Swagatam Leave a Comment

car day night light switch circuit

In this post I have explained a simple automatic darkness activated switch for car head lamps and the DRLs, initiated by the ignition triggers. The circuit helps to save battery power and prevents unnecessary wastage of energy. The idea was requested by Mr. Vladnemir. Technical Specifications I would like to build switch for driving car […]

Filed Under: Automobile Electronics Tagged With: Activated, Darkness, DRL, Head, Lamp

How to Make Car LED Bulb Circuit

Last Updated on May 16, 2026 by Swagatam 8 Comments

car led bulb circuit

Typically all car turn signal lamps are around 12 to 20 watt rated which are traditionally incandescent bulb types and produce much lower light intensities compared to LED lights. Here I have explained how these lamps can be replaced with high efficiency, high intensity car LED bulbs. LED Car Bulb Design The image below shows […]

Filed Under: Automobile Electronics, Lamps and Lights Tagged With: Bulb, LED

How to Connect Car LED Downlight

Last Updated on May 16, 2026 by Swagatam Leave a Comment

A car LED downlight available in the market can be easily integrated to an existing car battery if its rating is identical to the battery’s voltage rating. I have explained more regarding one such request sent by Mr. Allwyn Siqueira. How to Connect Downlight to 12V Car Battery Hi Swagatam,I’ve just spent the last 3 […]

Filed Under: Automobile Electronics, Lamps and Lights Tagged With: Connect, Downlight, LED

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