Cheap eBay fan speed controller
Added 2022-06-27 03:03:25 +0000 UTCI thought this would be appropriate given the current heatwave in parts of the world.
https://www.youtube.com/watch?v=Y4xtHcls-_w
It's a very minimalist design as cheap eBay products usually are.
The radio Hams might not be thrilled at the lack of RF noise suppression.
