Shorten a protected 18650 lithium cell to fit standard holders.
This is a short video on modifying protected 18650 lithium cells so that they fit into battery holders designed for…
Teardown of a cheap uk style usb power supply.
I've sussed out one of the purposes of that little capacitor in the feedback circuit. It's to block the feedback…
How to assemble a typical ebay softbox light.
I bought a set of tripod mounted softbox lights as used in photography and filming. These are portable lights that…
Picking a cheap traditional yale type knock-off lock.
I didn't actually get this lock with the intent of picking it.... I got it for a door that is…
Random pcb based usb lights from china.
These are little PCBs that plug directly into a USB power source either way round, and light up. One type…
Hacked led glitter lamp.
Since discovering that Calcium chloride can be used to raise the specific gravity of water enough to make glitter lamps…
Home made diy glitter lamp refill.
A glitter refill based on Calcium Chloride to create a high specific gravity solution to support glitter. The colour is…
Review and teardown of uv nail polish curer and pcb developer.
This unit is a very common UV nail polish curing unit available cheaply on ebay. It uses four 9W UVA…
Teardown of the worlds crappiest nite-lite.
While ebay has some very low quality Chinese stuff on it, this little LED night light really takes the biscuit.…
Neat little usb powered lights that can turn a usb power bank into a flashlight.
This is a look at the inside of some common Chinese lights that are designed to plug into a USB…