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Automatic Bedroom Lamp Timer Circuit

Last Updated on January 2, 2024 by Swagatam 18 Comments

BEDROOMNIGHTLAMPCIRCUIT

A simple automatic bedroom lamp timer circuit has been described here to switch off your bedroom lamp after a fixed predetermined time. The use of the reliable 741 IC makes the circuit very easy to build and moreover very accurate. Introduction The circuit of an automatic bedroom lamp timer presented here is super easy to […]

Filed Under: Timer and Delay Relay Tagged With: Automatic, Bedroom, Lamp, Timer

SCR/Triac Controlled Automatic Voltage Stabilizer Circuit

Last Updated on April 9, 2025 by Swagatam 77 Comments

TRIACCONTROLLEDSTABILIZERCIRCUIT

In this article I have explained a relatively simple triac controlled automatic mains voltage stabilizer circuit, which uses logic ICs and a few triacs for controlling the mains voltage levels. Why Solid State Being solid state in design, the voltage switching transitions are very smooth with minimum wear and tear, resulting in efficient voltage stabilization. […]

Filed Under: Voltage Control and Protection Tagged With: Automatic, Controlled, SCR, Stabilizer, Triac, Voltage

Transformerless Automatic Night Lamp Circuit

Last Updated on June 1, 2026 by Swagatam 89 Comments

This transformerless solid-state automatic night lamp operates without using bulky transformer, and automatically switches ON some LEDs during night, and switches them OFF during day. In this post I have explained how to make a transformerless automatic darkness activated LED lamp circuit, using a couple of transistors and capacitive based power supply, eliminating the use […]

Filed Under: Lamps and Lights Tagged With: Automatic, Lamp, Night, Transformerless

One Transistor Automatic Battery Charger Circuit

Last Updated on May 17, 2026 by Swagatam 104 Comments

simplestbatterychargercircuit

This one transistor cheap battery charger circuit is designed to automatically switch OFF the supply to the battery as soon as the battery has reached its full charge level. A very simple single transistor automatic battery charger circuit is I have I have explained in this article, which uses just a single transistor for the […]

Filed Under: Battery Charger Circuits Tagged With: Automatic, Battery, Charger, Transistor

10 Automatic Emergency Light Circuit Diagrams Explain

Last Updated on June 1, 2026 by Swagatam 282 Comments

In this article I have explained 10 simple automatic emergency light circuits using high bright LEDs. This circuit can be used during power failures and outdoors where any other source of power might be unavailable. What’s an Emergency Lamp An emergency light is a circuit which automatically switches ON a battery operated lamp as soon […]

Filed Under: Lamps and Lights Tagged With: Automatic, Diagrams, Emergency, Explain, Light

Automatic Vehicle Headlight Dipper/Dimmer Circuit

Last Updated on June 3, 2026 by Swagatam 56 Comments

AutomaticAutomobileLightDipperCircuitDiagram252CImage

The circuit described here can be built and used in your vehicle for an automatic dipping and dimming operation of the vehicle headlamps, in response to the intense lights coming from an opposite vehicle headlamps. What’s a Dimmer/Dipper in Automobiles An automobile headlight dimmer/dipper is a circuit which automatically switches the headlight intensities of vehicles arriving from […]

Filed Under: Automobile Electronics Tagged With: Automatic, Dimmer, Dipper, Headlight, Vehicle

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