Here’s another Dyson teardown, in my efforts to understand how marketing have got hold of relatively simple technology & managed to charge extortionate amounts of money for it. This is the DC35, the model after the introduction of the brushless digital motor. On this version the mouldings have been changed,
I was looking around eBay for decent deals on a branded CO alarm, and came across these for next to no money, so I thought I’d grab one just to see how bad they could be. Popping the casing open shows the very small circuit board inside, with the CO
One bit of my equipment that I’ve never looked into is my scanner, a handheld Uniden unit. I got this when Maplin Electronics had them on special offer a few years ago. Here’s the scanner itself, roughly the same size as a usual HT. Here the back cover has been
This is the Velleman MK179 Proximity Card Reader, which is supplied in kit form. In the image above you can see the completed kit, the read coil is etched onto the black PCB on the left. Bringing a recognised card close to the coil operates the relay on the main
This is a small 120W power inverter, intended for small loads such as lights, fans, small TVs & laptop computers. End cover of the unit, 12v DC input cord at the top, power switch & indicator LEDs at the bottom. Opposite end of the unit, with the standard 240v AC