Sinclair ZX80 / ZX81 / Z88 Forums

I've been reading up on various posts and it seems that the ZXpand+ card is the one to go for, with this seller in the EU being the best value... https://www.sellmyretro.com/offer/details/63279 However, firstly there might be options I haven't found... and secondly, the shipping to the UK from the E...

This might be a stupid question but... if the external power supply was up to it, could 5v power be drawn from inside the ZX81 to power the Pi zero with the display mod? - https://www.sellmyretro.com/offer/details/63615 Reason I'm asking, is because I've built the mechanical keyboard and I'll have t...

Thanks for that Mark. That's brilliant.

As I've got experience with the RGB to HDMI from the BBC and I have a Pi Zero doing nothing, I'll be using the following for video output...
https://www.sellmyretro.com/offer/details/63615

Hi All,

I'm starting to get zeddies (81) and am wondering what the basic checks are for testing an 81 with oscilloscope and logic tester, before trying to hook up to a monitor please.

I believe I'm another "convert" from StarDot. :-) The "Zeddy" as it seems to be known, was my first PC as a child which I had before I moved on to the BBC Micro. A colleague at work is going to give me his old zeddy from the attic and so I'm prepping to get it. With three tricked out BBC's already, ...