Inflatable floating solar light (copy) with schematic
This inflatable light is based on a product called LuminAid that was created as a compact solar light with an…
Opening a work light from a commercial fishing boat (with schematic)
This was one of the hardest things I've tried to open. They must put the glass in with a machine…
USB swamp cooler with fake UVC “sterilisation” (with schematic)
Not a bad unit, with a very bold design using a microcontroller to run two independent switching converters. The double…
LED shock hazards are increasing
I'm getting more messages from people who are receiving shocks from faulty LED lights - especially flood lights.The problem is…
Intriguingly different “ioniser” module (de-potting and schematic)
While scouring the Internet for interesting high voltage modules, I came across this little unit that stood out from the…
Fixing a faulty schmoo pump
My hand soap dispenser started to get slower and slower, even with fresh batteries. So I decided it was time…
Inside a 3d effect led ornament with schematic
You've probably seen these on eBay, and in the two dimensional listing pictures they look great. Maybe not so great…
Poundland’s new 4000mah power bank
There's been a bit of a tradition of Poundland power banks not quite meeting their capacity specs, but this one…
Very retro japanese air purifier.
This unit seems to be very retro. Like it was such a successful product that they didn't feel they needed…
Unwinding a tiny 6kv xenon trigger transformer
I've used these in the past, and marvelled at how they can withstand such a high voltage in such a…