Vintage electromechanical device. with concealed led illumination.
This is a really old electromechanical device that I bought from a junk market (The Barra's) many years ago. Tonight…
Cfl versus led light output tests.
I have a small table light next to my bed which I had a 7W compact fluorescent lamp in. The…
A look inside a 28 led usb light.
I was wondering if this light was going to have 1,2,4 or more resistors to divide the current between the…
Teardown of low power led festoon lamps.
A teardown of some rather neat little LED golfball style lamps for festoon use. These came from a seller called…
Teardown of a 4w led filament lamp with a buck regulator.
I got this lamp to take to bits to see what sort of circuitry it was using compared to other…
Chinese led mushroom / toadstool light.
Another variant on these popular nightlights. This version is actually not too bad, but has non pluggable LEDs which is…
Another spontaneous diy led test tube lamp.
I'm quite enjoying making these test tube based LED lamps, so this one is a super simple resistive dropper version…
Teardown of an led truck sidelight.
Yet another destructive teardown of a random ebay gizmo. This time it's a sidelight or running light for a truck.…
Led lamps glowing when turned off.
Some of the simpler LED lamps that use capacitive (or resistive) droppers can glow slightly as soon as they are…
12v lamp vs 3a fuse on 240v. place your bets now! banzai!
12V MR16 lamp versus 240V supply with ingenious Chinese adapter. But which will blow first? 3A fuse in plug? Or…