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Newly Updated Circuit Projects:

Motorcycle Voltage Regulator Circuits

Last Updated on May 16, 2026 by Swagatam 243 Comments

mosfetregulatorcircuit3phase

In the article below I have explained a compilation of simple yet accurate motorcycle voltage regulator circuits, which can be used for regulating the varying alternator voltage into a fixed DC voltage. Voltage regulator circuit is very important in motorcycles and two wheelers since they ensure a regulated battery charging thus keeping the battery safe […]

Filed Under: Automobile Electronics Tagged With: Circuits, Motorcycle, Regulator, Voltage

Pedal Speed Controller Circuit for Electric Vehicles

Last Updated on May 16, 2026 by Swagatam 11 Comments

In this part of the article I have explained about an innovative method of converting pedal press mechanism in electric vehicles into a correspondingly varying electrical signal, which may be further used for processing the speed control of the vehicle. The explained concept will work like an electronic accelerator, which will increase the vehicle speed […]

Filed Under: Automobile Electronics Tagged With: Controller, Electric, Pedal, Speed, Vehicles

Wireless Helmet Mounted Brake Light Circuit

Last Updated on May 16, 2026 by Swagatam 106 Comments

In this post I have explained an innovative wireless LED brake light circuit which can be attached to a biker’s helmet. The LEDs attached with the helmet circuit illuminates in response to the motorcycle braking  generating an enhanced brake light effect from the user’s helmet. The idea was requested by Mr. Bugoy. Technical Specifications Good […]

Filed Under: Automobile Electronics Tagged With: Brake, Helmet, Light, Mounted, Wireless

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

Adding a PWM Multi-spark to Automobile Ignition Circuit

Last Updated on May 16, 2026 by Swagatam 13 Comments

pwm 3

The post investigates a simple 2 pin oscillator circuit which may be inserted between the pickup coil and the CDI unit of a vehicle for achieving an induced multi trigger input in response to each signal from the pickup coil coil, this in turn is expected to enhance the sparking ability of the CDI coil. […]

Filed Under: Automobile Electronics Tagged With: Adding, Automobile, Ignition, Multi, PWM, spark

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