Sinclair ZX80 / ZX81 / Z88 Forums

Welcome to the forums - yes, go ahead and post the questions in the hardware section

I had this before and the problem is that when you press the enter key, it causes a short somewhere, or twists the heatsink against the 5V regulator. I resolved it by putting a small pad of felt (or a spare rubber key) on top of both the TV modulator and the heatsink

Charlie has now listed some on sellmyretro - cut to fit and with the key inserted

https://www.sellmyretro.com/offer/details/45024

I have sent Sebastian an email - I hope he is keeping OK. Unfortunately, this Covoid-19 situation has severely impacted postal systems and customs offices. I seem to get buyers asking every day where their orders are (makes me cringe when they have paid £4 postage for an item to go to the USA and wa...

There is a bit of a community but not very big - join the Z88 Forums - www.z88world.com and also the "cambridge z88 for everyone" community on facebook

Welcome to the forums - great to see a new ZX81 emulator for the QL - there is an existing one, but whilst the Spectrum emulators have had several versions and improvements, there has only ever been Xtricator (http://www.dilwyn.me.uk/zx81/index.html).

No sorry - they have gone.

Just wondering what your thoughts were on my membrane and how it compared with the other? (I assume you have received it by now?)

A printer emulator as you describe Paul can be achieved with a Memotech Centronics interface and RWAP’s RetroPrinter. https://www.retroprinter.com/ But I assume a ESP32 directly on the ZX81 would make a cheaper interface than Memotech I/F + RetroPrinter + Raspberry Pi. Yes, my idea would be to have...

That looks interesting - some photos and internals of the boards would be nice if you can