Teardown of an illuminated wire usb charging lead.
Did I say teardown? How about complete SHRED, because this thing didn't give up its secrets willingly. I initially thought…
Large usb powered camping light.
This is actually quite a nice variant on a USB lamp. It's styled on a full size LED lamp with…
Unusually short bodied gu10 led lamp.
I quite like this lamp. OK, it has it's weak points. Efficiency for a start, since the LEDs appear to…
What current does an air ioniser actually draw?
Place your bets now! So I had this idea of putting an LED and rectifier in series with the multiplier…
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…