Search found 5 matches

by ZX79
Thu Mar 14, 2019 7:21 pm
Forum: Software
Topic: Happy pi day - March 14th
Replies: 1
Views: 374

Happy pi day - March 14th

It was reported today that the record for pi is 31 trillion digits. I don't know if this has been established already, if not, as a pi day challenge: What is the most accurate approximation of pi that can be calculated using either the expanded or unexpanded ZX80? Here are some suggestions for calcu...
by ZX79
Thu Jan 04, 2018 3:57 pm
Forum: Hardware
Topic: ZX81 monitor
Replies: 39
Views: 6909

Re: ZX81 monitor

Hello,

Although not a very practical solution to analogue display, there is an all Sinclair solution with a Sinclair Microvision TV.

Huw
by ZX79
Sun Aug 13, 2017 11:38 pm
Forum: Hardware
Topic: ZX80 with red LED?
Replies: 1
Views: 579

ZX80 with red LED?

Hi, A well known auction site is listing a ZX80 with a red LED on the upper front panel. Although I presume it is a non standard post sale modification, did any version of the ZX80 come with a LED? Not that I intend to modify mine, is there a source describing possible ZX80 modifications? Thanks. H
by ZX79
Wed Apr 13, 2016 11:36 pm
Forum: Hardware
Topic: Taking care of a ZX80
Replies: 5
Views: 872

Re: Taking care of a ZX80

Thank you.

I want to keep it in its original state (and I am not sufficiently adept with a soldiering iron to contemplate any modifications). Like RetroTechie suggested I intend to use an emulator rather than the original.
by ZX79
Wed Apr 06, 2016 10:23 pm
Forum: Hardware
Topic: Taking care of a ZX80
Replies: 5
Views: 872

Taking care of a ZX80

Hello, I have recently purchased a ZX80 and would like some advice about how best to store it and take care of it long term. I am concerned about the potential for dust and condensation to enter via the expansion port and the risk of over heating. For storage I have thought about using a tupperware ...