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…
One moment please…
I'm quite enjoying making these test tube based LED lamps, so this one is a super simple resistive dropper version…
Yet another destructive teardown of a random ebay gizmo. This time it's a sidelight or running light for a truck.…
Some of the simpler LED lamps that use capacitive (or resistive) droppers can glow slightly as soon as they are…
12V MR16 lamp versus 240V supply with ingenious Chinese adapter. But which will blow first? 3A fuse in plug? Or…
I was using this piece of breadboard for choosing component values for a simple circuit. I'd bought it some time…
This is effectively a blend of a few other videos turned into a practical application. It involves the repurposing of…
It's very clear that this light is actually based on a housing for a GU10 style holder and lamp. But…
A look inside another 10W floodlight that is a very different style to the others. This one has slightly stippled…
I had high hopes for this, since it's a very common product. It's basically a keyring with LEDs and a…
After the disaster of the previous test where I plotted the intensity and efficiency of a 10W LED and got…