DIY USB customisable LED cluster with files
A project that uses a small PCB and optional 3D printed case (not needed) to create a very simple spray…
Diagnosing a faulty PSU
A very common PSU fault on a fairly nice power supply from a media player.Don't be fooled by the cheap…
Russian Nuclear Corporation molecular disruptor
This thing actually does disrupt molecules. By applying a high voltage to needle tips in front of oppositely charged rings…
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…