Search found 590 matches

by gammaray
Sun Jan 27, 2019 10:25 pm
Forum: WANTED
Topic: CAI/O rom images
Replies: 0
Views: 3196

CAI/O rom images

For printer centronics and/or serial output

:)
by gammaray
Sat Jan 26, 2019 3:19 am
Forum: Hardware
Topic: Jupiter Ace - Case Dimensions
Replies: 19
Views: 6961

Re: Jupiter Ace - Case Dimensions

Conceptual rearrangement of busses and PCB layout.
CASE AND NEW PCB.jpg
by gammaray
Thu Jan 24, 2019 11:34 pm
Forum: Hardware
Topic: Jupiter Ace - Case Dimensions
Replies: 19
Views: 6961

Re: Jupiter Ace - Case Dimensions

Maybe I will have you use new replacements of components. I was looking elsewhere and these kits seem to do that... I don't have an original and they too pricey.
by gammaray
Thu Jan 24, 2019 1:58 am
Forum: Hardware
Topic: Jupiter Ace - Case Dimensions
Replies: 19
Views: 6961

Re: Jupiter Ace - Case Dimensions

I am not currently smart enough to use new components or redesign. The idea is to repackage the original board components on new PCB to fit and use KDLX keyboard for the Spectrum case. Big project...

Blank rubber membranes to put on custom decals are needed to get proper layout.
by gammaray
Wed Jan 23, 2019 11:22 pm
Forum: Hardware
Topic: Jupiter Ace - Case Dimensions
Replies: 19
Views: 6961

Re: Jupiter Ace - Case Dimensions

I think there are two different cases. The vacuum case would be good. I guess the injection molded case would be good too! http://www.jupiter-ace.co.uk I was planning on making a PCB design (in the future) to distribute that would fit the new Spectrum cases.... Back to my unfinished projects list......
by gammaray
Wed Jan 23, 2019 3:20 am
Forum: Hardware
Topic: Jupiter Ace - Case Dimensions
Replies: 19
Views: 6961

Re: Jupiter Ace - Case Dimensions

Overall is 215 mm x 190 mm 30 mm which is a good start for an envelope.
by gammaray
Tue Jan 22, 2019 11:07 pm
Forum: Hardware
Topic: Jupiter Ace - Case Dimensions
Replies: 19
Views: 6961

Jupiter Ace - Case Dimensions

Does anyone have hard dimensions for the Jupiter Ace case? Draft angles if possible. :?:

Thanks.
by gammaray
Tue Jan 22, 2019 10:32 pm
Forum: Welcome Area
Topic: Hello from Germany
Replies: 5
Views: 2210

Re: Hello from Germany

:D :) ;) :lol: <-- Hello from all of us!
by gammaray
Sat Jan 19, 2019 10:46 pm
Forum: Hardware
Topic: Fuller FD42 Keyboard
Replies: 67
Views: 21711

Re: Fuller FD42 Keyboard

I believe if you are going to use a barrel connector put a RECTIFIER in between the power and switch. That way a reversed polarity power transformer will still have the same polarity to the ZX81. And you wont have to remember which power supply goes with which computer. I would like to add that to t...
by gammaray
Sat Jan 19, 2019 10:31 pm
Forum: Hardware
Topic: Fuller FD42 Keyboard
Replies: 67
Views: 21711

Re: Fuller FD42 Keyboard

SDCARD EXTENSION.jpg
SDCARD EXTENSION.jpg (5.69 KiB) Viewed 2663 times