Teardown of an electronic refrigerant diverter valve
Thanks to Rob for sending this for a teardown. It was pleasingly simple inside, while still allowing full computerised control…
Inside a ceramic lamp with schematic
This is definitely a very unusual and well designed lamp/globe/bulb. The ceramic LED substrates are not new, but this is…
Weird little light from ebay with schematic
An interesting little rechargeable keychain light that is often described as an olight, but probably isn't? It's most notable for…
Mercedes benz led ceiling light with schematic and hack
You probably didn't realise that Mercedes Benz make LED lights. It's notable that Mercedes Benz probably didn't realise that either.…
Mercedes benz ceiling light
You could either officially licence the Mercedes brand if your product met their exacting standards, or you could do what…
Tacky nokero solar light clone
The original Nokero light was designed to help avoid the use of kerosene lamps in developing countries, to reduce the…
Fantastic uv photochromic powder
These amazing pigment powders change from white to a colour when exposed to UV or near-UV light, and then gradually…
Chinese factory lamp base crimper
This is one of those weird things that you can get from AliExpress. It's one of the crimping tools you…
Testing a uv/uvc test card
I'm not sure how widely these were available before the pandemic, but they're now all over eBay due to the…
Moonshine vs sodastream – with science!
Having already discovered that white wine takes twice as much carbonation as water, I thought I'd push it to the…