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Automobile Electronics

Over Voltage Protection for Automotive Load Dump

Last Updated on September 2, 2020 by Swagatam 5 Comments

dump2Bload

In this post I have explained an over voltage cut-off protection circuit in the form of automotive dump load for protecting sensitive and sophisticated modern automotive electronics from transient DC electrical spikes emanating in vehicle electrical. Transient bus voltages are a significant risk factor to integrated circuits. The maximum breakdown voltage that an integrated circuit […]

Filed Under: Automobile Electronics Tagged With: Automotive, Dump, Load, Over, Protection, Voltage

Make this DC CDI Circuit for Motorcycles

Last Updated on June 24, 2019 by Swagatam 171 Comments

DC CDIdualchannel

The circuit presented here is for a DC-CDI which are used in motorcycles. A DC-CDI is the one in which the high voltage (200-400VDC) is converted from 12V supply voltage. Researched and Submitted by: Abu-Hafss Studying the circuit, we see that it has two parts i.e. the CDI unit, enclosed in the pink box and […]

Filed Under: Automobile Electronics Tagged With: CDI, DC, Motorcycles

Darkness Triggered Car Safety Park Light Circuit

Last Updated on November 27, 2023 by Swagatam Leave a Comment

park2Blight

In this post I have explained a circuit concept for enabling cars with an add-on automatic safety park light which triggers during night and signals the position of the car and consequently prevents a mistaken collision or dashing by another vehicle. The design ensures minimum consumption and relatively higher brightness for the involved LED lights. […]

Filed Under: Automobile Electronics Tagged With: Darkness, Light, Park, Safety, Triggered

Illuminating DRL and Turn Lights with Single Common Lamp

Last Updated on September 26, 2019 by Swagatam 52 Comments

drl2Bturn2Bwith2Bcommon2Bled

In this article I have explained a simple circuit for enabling the turn signal lamp of any car to carry out a two-way function of DRL lights as well as well the stipulated turn lights. The idea was requested by Mr. Artem. Technical Specifications Thank you for your fanaticism with electronics, this is really noticeable […]

Filed Under: Automobile Electronics Tagged With: Common, DRL, Illuminating, Lights, Single, Turn

Make this Electric Scooter/Rickshaw Circuit

Last Updated on January 4, 2024 by Swagatam 44 Comments

electric2Bscooter

In this article I have explained a simple electric scooter circuit design which can be also modified to make an electric auto-rickshaw. The idea was requested by Mr. Steve. The Circuit  Request I was lucky enough to find your blog, really amazing stuff that you’ve managed to design. I’m looking for a DC to DC […]

Filed Under: Automobile Electronics Tagged With: Electric, Rickshaw, Scooter

CDI Tester Circuit for Automobiles

Last Updated on July 6, 2019 by Swagatam 47 Comments

SparkGap

The circuit presented here is a tester circuit for testing CDIs for motorcycles and three-wheelers.   Designed and Written By: Abu-Hafss Basically there are 2 types of CDIs: Technical Specifications a) AC CDI, in which the HVAC (about 180V) is obtained from the source coil inside the magneto housing. b) DC CDI, in which the […]

Filed Under: Automobile Electronics Tagged With: Automobiles, CDI, Tester

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