Splendid cheap usb light for emergencies
This came as a "gift" with an online purchase, but it turns out that it's a really nice design that…
Don’t do this! there’s a much safer way
I recently discovered there's a "thing" going around where people are charging lithium cells by attaching a stripped USB lead…
Absolute genius automatic lubricator
Very few things impress me as much as this did. It has taken a clever idea to the next level…
Make diy custom led signage
This video has two short scripts included in its description that will allow you to 3D print a massive range…
Inside a cheap ebay rotary actuator
I do like mystery eBay control modules, so I got one of these actuators for us to explore. This unit…
Inside a sticky glue board fly trap with ballast schematic
Much simpler than the zapping fly traps, this type uses a UVA lamp to attract flies to a replaceable sticky…
Inside a fray bentos chicken pie
After the Fray Bentos Steak & Kidney pie disaster (it was mostly gravy) I thought that it would be worth…
Inside a pedestrian crossing human-detector
Not what I was expecting. This is the PCB from inside a pedestrian detector as used on pedestrian crossings. It…
Perplexing pink high voltage thing with schematic
Did you spot my enormous boo-boo? In the video I suggested that in 200V+ countries the dropper capacitor could be…
Inside a cheap chinese cordless ratchet
A look inside a very common cordless ratchet as used in garages around the world. Many of these unbranded tools…