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Re: PCB by Franck78..
Posted: Mon Nov 22, 2021 10:48 am
by Orac
relqasem wrote: ↑Mon Nov 22, 2021 10:45 am
I would still love to get my hands on a PCB
Private ~message Franck and maybe he can help you out.
Re: PCB by Franck78..
Posted: Tue Feb 14, 2023 7:02 pm
by redhawk668
Good job! Sorry for the late reaction. Bit going on here.
Re: PCB by Franck78..
Posted: Mon May 29, 2023 4:40 pm
by IgnacioMonge
Hi, is it possible to get one of those 16K internal memory expansion for the ZX81?
I love the design and I'm planning to complete the ZX81 PCB from Franck87.
Are you selling this?
If so, I'm interested in two of them.
Thank you very much!
Re: PCB by Franck78..
Posted: Sun Jun 04, 2023 10:55 pm
by mrtinb
Internal 16k RAM for ZX81 are found cheap on eBay:
https://www.ebay.com/itm/195791643922
Re: PCB by Franck78..
Posted: Sun Jun 04, 2023 11:11 pm
by Edzard
Hello Franck,
Private messaging seems not possible.
I would like, if it;s still possible, to order 2 boards.
Kind regards,
Edzard
Re: PCB by Franck78..
Posted: Mon Jun 05, 2023 12:36 am
by Flatulentia
That one doesn't include a RAM IC Martin.
I'd be more inclined to just source a 28-pin DIP SRAM IC (and socket if required) and homebrew it personally. No-ones going to see the difference once it's inside the case.
http://blog.tynemouthsoftware.co.uk/201 ... rsion.html
I don't know where Ignacio is based, but I can usually source Toshiba TC55257DPL-85L 32KB SRAM ICs for between £1.40 and £3.50 new here in the UK depending on whether I'm buying in bulk or singly.