Making a pcb based led flower.
A long time ago I designed a small PCB for making LED flowers for a bonsai tree ornament. At that…
A look inside a hakko soldering iron tip temperature tester.
I got this tester to check the temperature of various soldering irons. Having tried testing tip temperature with a normal…
Replacing the neon indicator in a mountain breeze ioniser.
Mountain Breeze ionisers and the rebranded versions of them had one design weakness. The neon power indicator light. It always…
Test of cheap hs1010a light meter from ebay.
When I decided I needed a light meter I went on ebay to see what was on offer. There were…
Inside a taylormaid medivac air ioniser.
I'd never heard of a Medivac brand of ioniser until I saw one on ebay. Obviously I had to buy…
Diy test tube lamp with glass substrate led filament.
This is the first time I've used the glass substrate version of the LED filament. So it was somewhat disappointing…
Just the capacitor explosion. because you know you love it.
Here's the mini section of video I made of the Chinese insect killer exploding.
Led test and comparison tool.
I built this a long time ago and have used it so much that I'd actually worn out the connectors…
Incredible exploding chinese insect and human killer. with smoke
It was just a matter of time before something exploded unintentionally, and here it is. A rather bizarre Chinese "Mosquito…
French air-powered aroma oil nebuliser.
I bought this while I was working in France. It's an oil nebuliser that uses low volume compressed air from…