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Emergency

Infrared (IR) Controlled LED Emergency Lamp Circuit

Last Updated on June 1, 2026 by Swagatam 22 Comments

Here I have explained a an emergency lamp circuit which includes an infrared remote operated brightness control feature. The  idea was requested by Mr. Heeran Technical Specifications Can you please help me with two circuits. I want to build a backup  led emergency lamp that works via an infrared remote . I want it to […]

Filed Under: Lamps and Lights Tagged With: Controlled, Emergency, Infrared, IR, Lamp, LED

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

Solving LDR Controlled LED Emergency Lamp Problem

Last Updated on June 1, 2026 by Swagatam 2 Comments

Simple emergency Lamp 2

The following post discusses the troubleshooting of an automatic LDR controlled emergency lamp circuit which was requested to me via email by one of the keen followers of this blog. I have explained about the issue and its solution. Technical Specifications Dear Sir, I am following you on your website and I thank you for your valuable […]

Filed Under: Lamps and Lights Tagged With: Controlled, Emergency, Lamp, LDR, LED, Solving

Emergency LED Lamp Circuit with Battery Overcharge Protection

Last Updated on June 1, 2026 by Swagatam 138 Comments

The following LED emergency light with battery over charge protection feature circuit was designed by me in response to the request sent by PP. Main Features In this article I have explained an LED emergency light circuit with advanced features such as, Using Transistors only The following design of the proposed day/night automatic emergency LED […]

Filed Under: Lamps and Lights Tagged With: Battery, Charge, Emergency, Lamp, Over, Protected

SMD LED based Emergency Lamp Circuit

Last Updated on June 1, 2026 by Swagatam 69 Comments

An emergency lamp using SMD LEDs is able to generate illuminations with extreme brightness due to the high efficiency of the SMD type LEDs. Moreover, SMD LEDs also ensure the unit will be very compact and lightweight. The following post explains a simple circuit diagram of an automatic emergency lamp using 36 nos. SMD LEDs. The circuit […]

Filed Under: Lamps and Lights Tagged With: Based, Emergency, Lamp, LED, SMD

Li-ion Emergency Light Circuit

Last Updated on June 1, 2026 by Swagatam 193 Comments

transistoremergencylampcircuit

The post presents a simple Li-ion emergency light circuit with over charge and low battery cut off features. The Circuit was requested by Mr. Saeed Abu and Y0f4N. Technical Requirement My requirement is:(1) Circuit is Operated by Nokia standard cell phone charger (2) Battery nokia 3.7 volt (3) Auto ac to dc changeover system when […]

Filed Under: Lamps and Lights Tagged With: Emergency, Light

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