Fixing twinkly festoon issues – interesting power and data system
Twinkly is a prominent brand of addressable LED lights that can be used with simple controllers or pixel mapped with…
How to use the xh-m452 temperature and humidity module
This very common general purpose module has two sections - temperature and humidity. Each section has its own volt-free relay…
Temu everlasting pencil test not sponsored
The everlasting pencil, also known as the infinity and eternal pencil is a novel writing/drawing device that uses changeable tips…
Inside a temu spy camera detector – with schematic
Although this detector came from Temu (not a sponsor) it is widely available from many online sales platforms. Its purpose…
Universal fan control module teardown – with schematic
A look at a generic Chinese controller for repairing air conditioner units (not the compressor type). This universal module can…
A look inside a flickery clone of the luxa starburst pyramid
I got this a while ago, but after making a video about the real thing I thought it would be…
Fixing a faulty lspa7 smart plug xianghewang
This seems to be a very common WiFi smart plug with multi-country socket options. As with most of these things…
Unusual circuit with retro-feel specialist pcb cleaning machine
Vic got in touch about an unusual PCB that is used to provide operator feedback on roller pressure in a…
British construction site hand-wash unit
One of the many advantages of the classic British power circuits is that we can plug in loads of up…
Instant heat from an interesting linear heat lamp
Although aimed at the catering industry, this style of heat light would be good for cold workshops and garages which…