https://diode.zone/videos/watch/c209d71e-0a47-4012-9d7c-194ade8a85de Using a low power 5V fan on a relay toggled by a Pi Pico to see how much a sheet of copper suspended in its vicinity will be moved. The effect is subtle, perhaps the elongation is 5-10 mm. The fan is quite silent; one could point it more directly at the sheet. Tue, 20 Oct 2026 15:30:11 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://diode.zone https://diode.zone/lazy-static/avatars/61b689b7-84d5-43c7-9fa8-e63a7fd1d952.png https://diode.zone/videos/watch/c209d71e-0a47-4012-9d7c-194ade8a85de All rights reserved, unless otherwise specified in the terms specified at https://diode.zone/about and potential licenses granted by each content's rightholder.