Building DIY LED lights
A video on YouTube. In Maker & Builds, a Krater category.
Watch on YouTubeSummary by Krater
This video explains how LEDs work, why they produce white light using phosphors, and how to build a high-power floodlight using a 10W COB LED, a computer heatsink, and a USB-C power bank with a voltage regulator.
From the video
Answers: How do LEDs work and how do I build a DIY high-power LED floodlight?
- LED operation and physics
- Color temperature and CRI in LEDs
- COB LEDs and high-power applications
- Current control and resistor methods
- Building a DIY USB-C floodlight
What it concludes
- White LEDs use a single blue emitter coated with a phosphor mix that gets excited to emit lower wavelengths across the visible spectrum.
- Higher quality phosphors stretch the output spectrum, resulting in a higher Color Rendering Index.
- LEDs are current-sensitive devices, meaning they will draw far more current than designed for if given the chance, which reduces their lifespan.
- A 10W COB LED requires a heatsink to dissipate heat generated during operation.
- Using a voltage regulator with constant current control allows you to power a high-power LED safely from a USB-C power bank.
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