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…