So, as part of my VFD project, I’ve been purchasing various ICs from eBay (almost always from China, because they are always the cheapest!) I’m used to counterfeit ICs turning up from time to time, but I’ve run into the same counterfeit IC (with the same ‘batch number’), and the same problem from a couple of eBay suppliers, so I…
IV-11 VFD Clock – Assembly instructions
Introduction Tools required Fine point soldering iron (temperature controlled recommended) Multimeter capable of measuring low- voltage DC (1-40v) – you will need this to set up the boost/buck converter boards Nail varnish or similar – idea USB socket Insert the USB B socket onto the LOWER side of the board, and solder its’ four data pins and two retaining lugs.…
Repairing a BT Baby Monitor 250 Power Button
My BT Baby Monitor 250 has a faulty power button as a result of toddler ‘droppage’. The power button requires hard pressing and no longer has the ‘click’ it used to. It also doesn’t always reliably turn on at all. Time for a repair! Dismantling it! Step 1 Remove the battery compartment cover, as well as the batteries. Along the…
Delonghi Perfecta machine fault – no steam!
I was given a machine from a work colleague to fix (a snazzy Delonghi Perfecta bean to cup machine) which wouldn’t froth milk or generate steam but did make coffee. When asked to steam, it just displayed “Heating Up…” then returned to the main screen. I guessed the steam boiler element had probably failed open circuit, so opened the machine…