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Newly Updated Circuit Projects:

Adding a PWM Multi-spark to Automobile Ignition Circuit

Last Updated on January 11, 2019 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

Homemade Inductance Meter Circuit

Last Updated on January 11, 2019 by Swagatam 12 Comments

inductancemetercircuit

In this article I have explained a simple yet accurate, wide range inductance meter circuit. The design utilizes only transistors as the main active components and a handful of inexpensive passive components. The proposed Inductance meter circuit can measure inductance or coil values accurately over the given ranges and as a bonus the circuit is […]

Filed Under: Meters and Testers Tagged With: Homemade, Inductance, Meter

Deep Soil Metal Detector Circuit – Ground Scanner

Last Updated on January 1, 2019 by Swagatam 17 Comments

fig1

In this post I have explained a simple deep under soil metal detector circuit for evaluating hidden metals such as gold, iron, tin, brass etc by detecting change in the resistance of the relevant soil layers. Bigger physical objects which might be buried within the topsoil could be unveiled through a modification in the electrical […]

Filed Under: Sensors and Detectors Tagged With: Deep, Detector, Ground, Metal, Scanner, Soil

Arduino based DC Voltmeter Circuit – Construction Details and Testing

Last Updated on January 1, 2019 by Swagatam 10 Comments

LCD bb

In this post, I will show how to construct a DC voltmeter using Arduino where the readings are displayed in 16×2 LCD.     The proposed voltmeter design can read up to 30V with tolerance of +/- 0.5 volt. We are going to see how this setup functions and explore other possibilities we can accomplish […]

Filed Under: Meters and Testers Tagged With: Arduino, Based, Construction, DC, Details, Voltmeter

Make this Car Interior Light Fader Circuit

Last Updated on January 1, 2019 by Swagatam 9 Comments

carinteriorlamp

In this post I have explained a simple circuit which can be used for producing a slow fading light effect each time it’s switched OFF. The application can be typically used in car interior lights. Designed by: Abu-Hafss  The Circuit Concept Most of the modern cars are equipped with circuitry which switches on the Car’s […]

Filed Under: Automobile Electronics Tagged With: Fader, Interior, Light

How to Make a Car Power Window Controller Circuit

Last Updated on January 1, 2019 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 […]

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

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