Retro maplin thing with schematic
This falls into the category of being one of those gimmick tools that you get because it might come in…
Inside a modern simon memory game
The original Simon game was one of the first to use a microcontroller. This much smaller pocket version is following…
Inside an sp002e pixel controller with schematic
This is a very minimalist controller for WS2811 and WS2812B style addressable LEDs. It lets you choose an effect and…
Can we hack an energizer lamp for longer life?
Well of course we can. Here's how to do it. Note the "15 year life" is based on 2.7 hours…
Inside a flame effect humidifier with schematic
These seem to be pretty common on eBay, so I got one to take to bits. The circuitry is quite…
Exploring a poundland inductive apple watch charger
Internally this charger looks like a tiny implementation of a QI inductive phone charger, which makes sense. The main chip…
Tesco lamp with weird circuitry twist
I can only guess that the unusual circuitry in what would otherwise be a typical linear current regulated LED lamp…
Inside an lcd voltage tester with schematic
A very simple device. I've never really considered that LCDs have an accurate threshold voltage at which a segment will…
Inside a door entry system voice unit
This is a very standard door entry system voice unit that is often found in the main door button panel…
Inside a door entry phone
This brand of door entry system is probably the most popular in the UK. It's very simple, but is often…