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This is a placeholder page for all things computing.

Retro computing page - Z80, RC2014

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Voron 2.4 / Klipper - BTT Mini 12864 display - Reverse Text

Out of the box, the firmware for the BTT motherboard gives light text on a dark background. I much prefer the look on the right with dark text on a light background. Find out how to change from one to the other .

RC2014 8 bit Z80 computer boxed up

I've recently built a Z80 based computer ( RC2014 ) which was an interesting trip back down memory lane. It's based on a backplane and I knew I would damage something if it wasn't boxed up. So... time to get it boxed. Amazon steel instrument case The steel box in the picture came from Amazon , it was just short of £25 and to be honest I can't see that amount of money there. It looks a little flimsy, but I'm sure it's good enough to do the job. There's a 3D printed cradle that the PCB bolts into, the cradle is simply superglued into the base of the box. The thin steel front and back panels won't be used. 3D printed back panel The back panel is quite a busy affair, lots of connectors and switches on it; hopefully it will look quite neat when finished and everything will fit in the case properly. The Arduino female to female jumper leads in the background will be glued up into 3D printed shell housings to make 0.1" pitch connectors. PCBs wired to the...

A place for everything... TL866-II EPROM Programmer Case

I've recently bought a TL866-II EPROM Programmer to write out some ROMs for my recently acquired RC2014 Z80 computer. It comes in a cardboard box, and I was struggling to get everything back into it after a programming session. A bit like one of those tents you buy online, and can never seem to get them back into the bag... Anyway, I've 3D printed a case to hold the programmer and the accessories which you can download from Thingiverse and make yourself: TL866-II in the case with accessories Box and lid as printed You can view and download the item at Thingiverse.

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