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Making a 10/12 watt LED Lamp with 12 V Adapter

Last Updated on June 1, 2026 by Swagatam 24 Comments

2013 1223 1158 30 2

In this post I have explained the construction of a homemade 10 watt LED lamp using ready made 12 V SMPS adapter. The project was successfully built by Mr. Debabrata Mandal. In many of previous posts I have discussed the use of 1 watt white LEDs for making high efficiency LED lamps for implementing in […]

Filed Under: Lamps and Lights Tagged With: Adapter, Lamp, LED, Making, Watt

32V, 3 Amp LED Driver SMPS Circuit

Last Updated on June 1, 2026 by Swagatam 228 Comments

32v3ampsmpscircuit

In this article I have explained a 32V, 3 amp SMPS circuit which may be specifically used as an SMPS 100 watt LED driver, rated with the same specs. The circuit of the proposed 32 V, 3 amp smps led driver may be understood with the the help of the following points: Circuit Operation The […]

Filed Under: Lamps and Lights Tagged With: 32V, Driver, LED, SMPS

Underwater LED Boost Converter Circuit with Dimmer

Last Updated on June 1, 2026 by Swagatam 56 Comments

under water light controller circuit

In this post I have explained an LED controller circuit having a boost and dimming facility specifically designed for underwater shooting application. The idea was requested by Mr. Svein. The Circuit Request I came across your blog at https://www.homemade-circuits.com and thought I’d ask you a question regarding building or modifying a LED driver. I planning […]

Filed Under: Lamps and Lights Tagged With: Boost, Converter, Dimmer, LED, Underwater

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

Automatic LED Candle Light Circuit

Last Updated on June 1, 2026 by Swagatam 18 Comments

The post describes a simple 220V  mains transformerless LED candle light circuit which switches ON automatically in the absence of ambient light in the room and vice versa. The idea was requested by Mr. Don Technical Specifications I only dabble with electronics here and there but in trying to move from incandescent and CFL’s to […]

Filed Under: Lamps and Lights Tagged With: Automatic, Candle, LED, Light

100 Watt LED Constant Current Driver Circuit Diagram

Last Updated on June 1, 2026 by Swagatam 190 Comments

100wattleddrivercircuit

You might have probably come across these fantastic high power, high efficiency LED modules and wondered how do you make these? Here I have explained how to make a 100 watt LED flashlight out of it? Introduction The article revises the datasheet of this LED module and explains a simple driver circuit which can be […]

Filed Under: Lamps and Lights Tagged With: 100, Constant, Current, Driver, LED, Watt

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