3kv test of cheap disco light with circuit analysis.
This light was generously sent by Aramus for our edutainment. It's a classic eBay/aliexpress/amazon special and actually usable for some…
Flickering blue led cast into glowing resin obelisk.
I've cast blue LEDs into glow in the dark resin in the past, buit after a recent video about using…
Ebay’s cheapest pile of crap usb rechargeable led head torch.
Who even came up with idea of a head torch that can't even be aimed into your field of view?…
Very useful led pin-spot light that is a good base for customisation.
I've looked at one of these before, and the only real change is the better choice of cable and the…
Radioactive health pen from ebay.
There's a certain irony when something is being sold as a way to protect yourself from harmful mobile phone radiation,…
Inside a uk compliant dusk sensor switch. with schematic
This unit is clearly made down to a price, but it still manages to be a good logical design. In…
Make deep-heat toilet paper and sanitise your bottom.
Healthy Papa's back with an amazing home DIY tip for ensuring your bottom is always vibrant and sterile. This wonderfully…
Making glow in the dark ripple blocks to test the aqua strontium colour.
Having looked at the standard green strontium aluminate glow in the dark pigment I decided to get some of the…
This usb rechargeable led head torch is really good! and no strobe!
I decided to do a search for the cheapest USB rechargeable LED head torches to see what was available. I…
Solar powered buddha chanting flower.
I'm not sure this device would help you meditate at all. It's clear that they've gone for quantity over quality…