Flickery cob led strip with terrible dimmer. with schematics
Interesting material, but suffers from the curse of these mains voltage LED strips, which is the flicker at 100 or…
Different ebay battery charger – with schematic
Another eBay delight to explore. It's actually available as a three way and four way version at the same price.…
Making custom heater pads and then destroying one
Copying the Chinese for a change. (assuming they didn't copy someone else.) While laminating carbon fibre electrodes onto some experimental…
Neat vehicle lamp with current regulation with schematic
I was expecting this little filament-style LED lamp to use a simple resistor current limiter. But it uses a neat…
Computerised power saver plug with schematic
Yet another fake power saver plug, but with with an unexpectedly complex twist. I've since scoped the triac gate drive…
Vintage fan based aroma unit teardown with schematic
I bought one of these a VERY long time ago, but recently saw a used one on eBay and bought…
Genuine unpaid doogee s98 pro review
A genuine review of a phone I bought. Not sponsored in any way. This is the Doogee S98 Pro (the…
Supercomputer light bulb build – with schematic
This project is definitely only suited to experimenters with suitable mains voltage experience, as it involves high voltages. It's the…
Luxury fake power saver plug with schematic
The power saver scam has a long history. In the past, travelling salesmen used to give a seemingly plausible demo…
Teardown of a big hepa air filter unit with schematic
I got a big floor-standing air filter unit so we could take it apart and see what's inside. These were…