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Power

Power Interruption Alarm Circuit for Instant Power Failure Indications

Last Updated on December 21, 2023 by Swagatam 17 Comments

This power interruption alarm circuit will alert you whenever there’s a power failure or an interruption in the mains. In some special conditions it becomes imperative to know whether the mains that powers some important system or circuit is absent. By: Manisha Patel How the power failure alarm works This proposed circuit is connected to […]

Filed Under: Security and Alarm Tagged With: Alarm, Failure, Indications, Instant, Interruption, Power

High Power Industrial Mains Surge Suppressor Explored

Last Updated on January 3, 2024 by Swagatam Leave a Comment

highenergyvaristor

In this post I have explained a high energy surge suppressor circuit using high capacity industrial MOVs for suppressing high current mains surges in industrial electrical lines. The Circuit Problem: I’ve been reading a lot of your design ideas and I am extremely impressed with your designs. I don’t have anywhere near your level of […]

Filed Under: Voltage Control and Protection Tagged With: High, Industrial, Mains, Power, Suppressor, Surge

LED Driver Power Supply Circuit Using Dimmer Switch

Last Updated on June 1, 2026 by Swagatam 14 Comments

led dimmer circuit diagram

In this post I have explained an effective and efficient high current compact LED Driver power supply using a dimmer switch gadget. In one of my other posts I discussed a high voltage transformerless power supply circuit that used a triac for controlling the capacitive output, however since the concept involved shorting the capacitive output […]

Filed Under: Lamps and Lights, Power Supply Circuits Tagged With: Dimmer, Driver, LED, Power, Supply, Switch

How to Convert a Low Power Inverter to a High Power Inverter

Last Updated on October 23, 2021 by Swagatam 52 Comments

lowtohighpowerinverterupgradecircuit

Here I have explained about a couple of simple circuit configurations which will convert any low power inverter to a massive high power inverter circuit. You’ll find a plenty of small and medium sized inverters in the market ranging from 100 to 500 watts, the same may be seen posted in this blog. Upgrading or […]

Filed Under: Inverter Circuits Tagged With: Convert, High, Inverter, Power

Power Switch ON Alarm with Auto OFF Circuit

Last Updated on July 6, 2019 by Swagatam 17 Comments

In this post I have explained a simple monostable based power switch ON alarm circuit which automatically switches OFF after an adjustable preset delay. The idea was requested by Mr. Will Boswell. Technical Specifications Hi there, my name is Will Boswell. I am currently working on a project that involves adding an alarm sounder to […]

Filed Under: Security and Alarm Tagged With: Alarm, Auto, OFF, ON, Power, Switch

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

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