Ebay mains voltage touch dimmer – with schematic
Whether you should actually use a generic Chinese touch switch is debatable. They don't seem to fully understand electrical isolation…
Usb rechargeable pir light teardown with schematic
I thought it would be worth taking a look at some more recent versions of these. I've had some older…
Fixing a heater and an apology to my bro
I'm not sure where Ralfy has been storing this heater. The contacts and the plug pins were heavily oxidised. That…
Inside a soviet ionizer from 1990 with schematic
Such an odd thing. Very similar circuitry to a classic needle ioniser, but uses a long linear emitter wire instead.…
Can we fix a high voltage igniter?
During a live stream I was demonstrating this igniter unit and waved it back and forth vigorously to show how…
Lithium cell balancer reverse engineering with schematic
I've never really investigated cell balancing too much, so I got a two cell protection and balancing board to explore.…
Tiny rgbw strobe light teardown with schematic
Although this USB rechargeable strobe is probably intended for bikes, this could also be used as a warning beacon for…
The trashiest of all miracle heaters with schematic
I bought three different flame effect PTC style "miracle heaters". Two turned out to be the same style despite having…
Inside a boot dryer possible peet clone?
I've always wanted to explore one of the classic American Peet boot dryers, but they never seemed to do a…
Neosocket goes bang!
That awkward moment when you "accidentally" change the polarity of the capacitor in your fake fuel saver plug. (And drill…