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…
The m tube neon-mercury dc migration effect with schematic
Story time. A very long time ago I was gazing in the shop windows of a large Glasgow department store…
Sherbet is completely different in the uk and usa
I didn't realise until recently that the USA defines sherbet as a sorbet with dairy products. In the UK it's…
Fixing a completely dead nest thermostat.
.Spoiler - it wasn't a capacitor. If attempting a repair like this then take extra care to ensure the power…
Old shoe deodorizer ozone unit no microcontroller
This unit's quite old. I got it a long time ago to help dry and deodorize my work boots. In…