Buddha machine teardown with flash dump
This is one of many devices on eBay sold as buddhist meditation aids.They generally have a large number of well-compressed…
Teardown of a two speed aquarium pump
There are two interesting things about this pump. The case is transparent, so you can see what's inside - which…
Selenium rectifiers – the smelliest components ever
You'll still find lots of these in old equipment. Sometimes you'll smell them too, and if one blows up while…
eBay finger-chopping pocket chainsaw
There are two distinct sides to this product. One is the extremely good value for the components alone - including…
Scotch Whisky vs Sodastream – will it carbonate?
Spoiler - this was AWESOME. It would make a great party starter if you carbonated whisky in front of your…
Diagnosing a dead 3D printer controller
This is a faulty control system that was sent to me by Bjorn. When his new printer failed the supplier…
Inside an eBay electric lock mechanism
I'm guessing these are designed for automatic release of locker doors like in the Amazon locker system. They operate at…
Electric cake – take two
Having had a rather disastrous result with the first attempt I decided to patch up the holes in the melted…
Cooking cake with electricity (It didn’t go well)
It turns out there's a reason this is possibly the only video on YouTube where an attempt was made to…
UVC module for home water purifier has non-standard tube
At first I thought this unit used an ordinary 6W T5 UVC germicidal tube. But it appears to be different…