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Watt

3 Watt, 5 Watt LED DC to DC Constant Current Driver Circuit

Last Updated on June 1, 2026 by Swagatam 152 Comments

3watt5wattleddrivercircuit

The following article provides a simple yet very decent solution for driving powerful LEDs rated at 3 watt or 5 watt. Circuit Objective These 3 watt 5 watt and similar high watt LEDs are able to produce highly intense and powerful light outputs, however these are extremely vulnerable too with their operating parameter. I have […]

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

Capacitor Based LED Tubelight Using 1 Watt LEDs

Last Updated on June 1, 2026 by Swagatam 36 Comments

LED TUBE FINAL

In this post I have explained the construction of a homemade 100 watt capacitive tubelight circuit using 1 watt LEDs. The idea was requested, constructed, tested and verified by one the avid readers of this blog Mr. Tamam. Let’s go through the entire discussion. Discussing the Proposed The Design I regularly visit your blog, and […]

Filed Under: Lamps and Lights Tagged With: Based, Capacitor, LED, LEDs, Tubelight, Watt

3 Watt LED Datasheet

Last Updated on May 17, 2026 by Swagatam 11 Comments

3 watt high power LED

In the following post I have explained the main technical features and specifications of  3 watt white LEDs. I have explained more regarding their operating parameters and safe-operating limitations. Main Features Extreme luminosity capability Extreme working life > 50K hours. Very Low thermal resistance. SMD technology allows embedded PCB type sodering. Completely UV free design Enhanced ESD protections Image Courtesy – https://www.led-display.cc/High-Power-LED/Q1B/LP5W-80-SERIES:-5-watt-high-power-LED.jpg […]

Filed Under: Datasheets and Components Tagged With: Datasheet, LED, Watt

How to Illuminate 1 Watt LEDs with Cell Phone Charger

Last Updated on May 17, 2026 by Swagatam 62 Comments

cell phone emergency lamp circuit

Nowadays probably all of us have a spare cell phone charger lying idle in our cupboards or table drawers……so wouldn’t it be a great idea if we could employ it like a super bright 1 watt LED driver and illuminate our room with white cool moon light. Circuit Concept As we all know that a 1 watt […]

Filed Under: Battery Charger Circuits Tagged With: Cell, Charger, Illuminate, LEDs, Phone, Watt

75 Watt Power Amplifier Circuit

Last Updated on May 16, 2026 by Swagatam 4 Comments

75 watt amplifier circuit

Our power amplifier only uses a handful of widely available and inexpensive components. Despite this, it can deliver an effective power output of 50 W into an 8 ohm load or 75 W into a 4 ohm load. If distortion is below 0.3% at these maximum power levels, it drops to less than 0.01% from […]

Filed Under: Audio and Amplifier Projects Tagged With: Amplifier, Power, Watt

2 watt Amplifier Circuit

Last Updated on May 15, 2026 by Swagatam 28 Comments

miniamplifiercircuit

A very simple 2 watt audio amplifier circuit has been presented here which can be constructed by all new electronic hobbyists for amplifying small signal frequencies and for other similar experiments. Circuit Operation

Filed Under: Audio and Amplifier Projects Tagged With: Amplifier, Watt

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