https://stream.echo6.co/videos/watch/5a737501-da01-469a-96a4-7c54d5d65245 The circuitry in this light is very simple. It does a decent job of dimming without flicker, but can drive the LEDs very hard at its brightest setting with good batteries. The dimming function is achieved by varying the base current of a standard NPN transistor resistively. The potentiometer passes very little current. If you enjoy these videos you can help support the channel with a dollar for coffee, cookies and random gadgets for disassembly at:- http://www.bigclive.com/coffee.htm This also keeps the channel independent of YouTube's advertising algorithms allowing it to be a bit more dangerous and naughty. Wed, 15 Apr 2026 09:28:16 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://stream.echo6.co https://stream.echo6.co/client/assets/images/icons/icon-512x512.png https://stream.echo6.co/videos/watch/5a737501-da01-469a-96a4-7c54d5d65245 All rights reserved, unless otherwise specified in the terms specified at https://stream.echo6.co/about and potential licenses granted by each content's rightholder.