https://stream.echo6.co/videos/watch/a7e4352e-1dbd-4552-89aa-a48654886bf4 I suppose this could be a nice effect on the front of a house in the winter months. It's a water-resistant ripple projector that runs on a 5V supply, and has radio remote control to select the colour and speed. Fairly textbook design, and produces a nice effect. I guess the original design was possibly based on a non-aluminium core PCB, as the ability of the etched antenna to receive a signal will be severely restricted by the aluminium core of the PCB acting as a shield. 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. #ElectronicsCreators Wed, 15 Apr 2026 11:11:47 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/a7e4352e-1dbd-4552-89aa-a48654886bf4 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.