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…
Inside a water-ripple projector
A look inside a typical tungsten lamp based water-ripple projector. This is a very generic Chinese clone style unit that…
The curse of leaky alkaline batteries
Having just discovered yet another device with battery damage, I thought I'd raise the subject of switching away from zinc-chloride…
Lidl livarno landfill light teardown with schematic
I got this a while ago to see how it looked and how serviceable it is. The circuitry is unusual,…
Metal halide fiber optic illuminator
This unit is an older style fibre optic illuminator that has a 150W metal halide lightsource, and a rotating effects…
How to fix your low voltage led christmas lights
A brief exploration of three styles of wiring used in common low voltage light strings. These circuits and repairs are…
Exploring linear led cob tape with macro pcb shots
It's a while since this stuff first appeared, but I wanted it to standardise and come down to a more…