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Archives for 2015

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

Bathroom Lamp Timer Circuit with Buzzer

Last Updated on November 25, 2023 by Swagatam 27 Comments

timer2Bcircuit

The simple bathroom lamp timer circuit features a delay OFF timer which switches OFF the triggered lamp after a set predetermined time delay, additionally the circuit also includes a delay ON timer circuit which is appropriately set such that a warning tone is generated a few seconds before the lamp is about to shut off. […]

Filed Under: Timer and Delay Relay Tagged With: Bathroom, Buzzer, Lamp, Timer

5 Simple Siren Circuits you can Build at Home

Last Updated on November 24, 2023 by Swagatam 10 Comments

20150812 183122 2

In this post I have explained about a 5 simple siren circuits, using Arduino and also with ordinary components such as transistors and capacitors yet is able to produce an alarm sound at an excruciating level. The idea was contributed by “Abu-Hafss” Deeper in the article we also learn to make an advanced Arduino based […]

Filed Under: Automobile Electronics Tagged With: Build, Circuits, Home, Simple, Siren

Designing a Customized Battery Charger Circuit

Last Updated on November 20, 2023 by Swagatam 164 Comments

LM338 basic adjustable power supply circuit diagram

I have designed and published a variety of battery charger circuits in this website, however the readers often get confused while selecting the right battery charger circuit for their individual applications. And I have to explicitly explain each of the readers regarding how to customize the given battery charger circuit for their specific needs. This […]

Filed Under: Battery Charger Circuits Tagged With: Battery, Charger, Customized, Designing

Solar, Wind, Hybrid Battery Charger Circuits

Last Updated on October 20, 2023 by Swagatam 225 Comments

two2Binput2Bsolar2Bwind2Bcharger2Bcircuit

In this article I have explained a dual input hybrid solar and wind battery charger circuit using cheap and ordinary components. The idea was requested by one of the interested members of this blog. Technical Specifications Good after noon sir am designing a ” Solar and Wind energy harvest regulator circuit” which has two inputs […]

Filed Under: Solar Controller Circuits Tagged With: Battery, Charger, Circuits, Hybrid, Solar, Wind

Adjustable 3V, 5V, 6V, 9V,12V,15V Dual Power Supply Circuit

Last Updated on September 16, 2023 by Swagatam 36 Comments

LM3172BPOWER2BSUPPLY

The purpose of this paper is to detail a variable dual lab power supply circuit which has an adjustable range from 3V, 5V, 6V, 9V, 12V, and 15V or even more at an output current rate of 1 amp. Written By: Dhrubajyoti Biswas The Dual Power Supply Concept In regard to positive volt it is […]

Filed Under: Power Supply Circuits Tagged With: 12V, 15V, Adjustable, Dual, Power, Supply

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