Poundland’s usb rechargeable beanie light
It's a beanie with a USB rechargeable light from Poundland. Not bad circuitry, and a nice twist on the charging…
Custom battery tray maker
A handy 3D script and guide to adjusting the parameters to make a custom tray to store your batteries or…
Diy custom battery storage trays
A handy 3D script and guide to adjusting the parameters to make a custom tray to store your batteries or…
Inside a wind powered shark light for cars
This item was suggested by Eric, and reminded me of a similar one I bought a very long time ago.…
Fixing another nest heat link – with easy tests
This appears to be a common fault with these units. If your heat link fails out of warranty it may…
Scavenging rechargeable lithium cells from the roadside
While I'm not a huge fan of using lithium cells a single time and then discarding them, I'm fine with…
Inside an aldi solar pir light with schematic
This is a much simpler light than normal. Instead of the multiple options including continuous low light at dusk, switching…
How long led filaments are made
A look at the internal construction of a common type of low voltage LED filament that is often used to…
Teardown of new airwick essential mist unit
This is an interesting twist. This air aroma unit has been completely redesigned to be more compact. I was expecting…
How self-powered flashing phone stickers worked with schematic
These used to be all the rage in the 90's at the peak of Nokia's phone dominance. They were stickers…