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Strange ZX81 PCBHello I took apart my non-working ZX81 to attempt to fix it and I noticed that the resistors and diodes were soldered a bit strange. The wires are c…
... about 1 centimeter above the PCB. I assumed that the computer ... the photo of a ZX81 PCB which has resistors soldered exactly ... other (working) ZX81 PCB looks like the PCB in this photo (resistors ... flush with PCB surface)
[url] ... -
How to bring life to an arcade PCB at home?This is just a hypothetical question but if I bought a bare arcade PCB - are there any real chances that I might plug it to my home TV and play it? P…
This is just a hypothetical question but if I bought a bare arcade PCB - are there any real chances that I might plug it to my home TV and play it? Provided I don't own any arcade cabinet or monitor or power supply controller etc? -
PCB thicknessHas anyone here got a micrometer and access to a 48k and a 128k grey? Im convinced the greys have a thinner pcb which would explain certain devices a…
Has anyone here got a micrometer and access to a 48k and a 128k grey? Im convinced the greys have a thinner pcb which would explain certain devices attached instability. Just wanted clarification if poss -
My re-creacton of the Z80 8-bit Universal IDEI looked into my draw with various bits & bobs for PC and I found there a CF-IDE adapter, HDD ribbons and two CF cards. So, I was thinking to myself,…
... , IC sockets, pin headers. The PCB had to fit within the ... /> Started using KiCAD and drew two variants of the PCB:
1 ... both types with two different PCB makers. The SMD version arrived ... board and the main ZX PCB. I used wrong type of ... -
ZX Spectrum Test PCB I recently read about one of these (I think it may have been the Retroleum site but I am not sure) and I thought "What a great idea" . As pictured …
... make an ideal TEST SPECTRUM PCB so rare chips are the ... -
Mulitface 128 pcb onlyhttps://www.ebay.co.uk/itm/Recreated-Romantic-Robot-Multiface-128-PCB-Bare-Board-ZX-Spectrum-48/263614388066?hash=item3d60a45762:g:X54AAOSwy05a1QQ- …
https://www.ebay.co.uk/itm/Recreated-Romantic-Robot-Multiface-128-PCB-Bare-Board-ZX-Spectrum-48/263614388066?hash=item3d60a45762:g:X54AAOSwy05a1QQ-
multiface 128 pcb only anyone got the components please? -
The Diagnostic PCBIt arrived in the post today so this is my first go with the Diagnostic PCB. (bought on Ebay) This item , I think , does the same job as Retroleu…
... first go with the Diagnostic PCB. (bought on Ebay)
PCB . So I plugged it is ... -
"Self Isolation" and Speccy PCB repair"These Days" of "home self-isolation" , particularly on rainy days , I reckon I will have more time to hone my Speccy PCB repair skills which are s…
... time to hone my Speccy PCB repair skills which are still ... OK for gripping the PCB for Speccy motherboard PCB repair) but it ... think will be a "great PCB gripper" .Yes I think the ... -
PCB CAD packagesAnyone here ever used [url=http://www.lis.inpg.fr/realise_au_lis/kicad/]KiCAD[/url] ? How does if compare with [url=http://www.cadsoft.de/]Eagle[/ur…
... ,
I am using Kicad for long time, and software ... , all boards I made with Kicad.
BTW: regarding libraries ... use kicad for all my schematics. I've looked at "pcb" for ... my pcb layout against the schematic. Doing this all in kicad would ... -
PCB CAD packagesAnyone here ever used [url=http://www.lis.inpg.fr/realise_au_lis/kicad/]KiCAD[/url] ? How does if compare with [url=http://www.cadsoft.de/]Eagle[/ur…
... kicad for all my schematics. I've looked at "pcb" ... pcb layout against the schematic. Doing this all in kicad ... ).
Since pcb has a simple open text ... an initial pcb file and netlist for PCB from kicad - I ... no idea what the kicad PCB tool is like. I ... -
1st interface in 30 yearsHi all, The last time I built a ZX Spectrum interface was 30 years ago, so today I gave it a whirl with an external rom. Switchable in/out of course…
... which PCB/schematic program was used for this?
If KiCad was ... -
ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…
V2.0 PCB Schematics (kicad), gerber files and Gal equations available at the [url=http://www.dandare.es]project website[/url]
6.2 and z80/pic new source code coming soon... :) -
ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…
[quote="Dan Dare;886942"]V2.0 PCB Schematics (kicad), gerber files and Gal equations available at the [url=http://www.dandare.es]project website[/url]
6.2 and z80/pic new source code coming soon... :)[/quote]
\:D/ -
Re-created Multiface 128Just bought the bare board from the Bay and am wondering if anybody else on here has built one? Well made PCB, doc files online including a BOM an…
... type had been selected in KiCad, a different symbol would have ... you don't overheat the PCB pads for too long, or ... remove the capacitors, otherwise the PCB tracks may be damaged.
[newbie warning :)] Spectrum +3 questionsHello all, Yes, I am a Speccy newbie [img]/__forums/images/smiles/icon_smile.gif[/img] My Spectrum +3 arrived today, and I already have a few questi…
... do you remove the damned PCB off the bloody drive to ...Opus Discovery DiscsHi I have recently found my copy of Kemsoft's PCB Designer but it is on Opus discs and I have tried using ReadOpus and OpusImg but they don't seem t…
... my copy of Kemsoft's PCB Designer but it is on ...s-video SuccessHaving tried the various composite video fixes for the +3 etc, I was left feeling a little cold at the results, and was about to give up my quest for…
... can find the schematic and PCB layout (Eagle CAD) I made ... .com/svideo.zip[/url] The PCB fits comfortably inside my +2a ...Pentagon interface news from VELESOFTIt's from Xagon's board. It is about new interface for Speccy - it make Your comp compatible with Pentagon (and not only) and also it gives You up t…
... not needed.
On the PCB are three GAL ICs connected ... whole modification is on a PCB of cca. 7 x 7 ...ZX in FPGA...Hmm..seems nobody is interested in a replacement PCB with FPGA...well..heading towards next FPGA projects then...C64 and others (o; [ This Messag…
Hmm..seems nobody is interested in a replacement PCB with FPGA...well..heading towards next FPGA projects then...C64 and others (o;
[ This Message was edited by: klingler on 2004-07-08 15:19 ]Poll: How many would buy FPGA ZX Spectrum board?Sad this old version of phpBB doesn't support polls (o; So I ask the normal way here...how many would buy a ZX 48k/+ replacement PCB with: - Standa…
... buy a ZX 48k/+ replacement PCB with:
- Standard VGA ...Where to find components, tools etc ?!I think i'm not the only one spending a lot of time surfing the net for components etc for Spectrum Hardware projects. Some component's are not manuf…
... ....
// [url="http://www.pcb-pool.de/uk_index.htm"]http ... ://www.pcb-pool.de/uk_index.htm[/url ... .cadsoft.de/[/url]
Eagle PCB software
//// Still ...Wanted: PCB Design ProgramI?m looking for an Spectrum program for Printed Circuits Boards Design. But I don?t remember the name :(( He has autoruoute function, very simple to …
I?m looking for an Spectrum program for Printed Circuits Boards Design. But I don?t remember the name :((
He has autoruoute function, very simple to use.
Anybody can help me? Thank you in advance.
[ This Message was edited by: GeX ...PCB Differences...any advice ??Hi, apologies in advance for posting this in this forum, but I was not sure where else to get an answer for this one. can any one give me some info…
Hi, apologies in advance for posting this in this forum, but I was not sure where else to get an answer for this one. can any one give me some info on a Spectrum I have aquired. It has a yellow motherboard, as opposed to the green ones that are the norm ...Where's Mel :-(I just about almost miss the little nutter ... wherefor art thou MellieMel? His site has gone off the air and he hasn't made any oneliners for a lit…
... lab ... (erm sorry ... I mean PCB)
Maybe his goal ...Long shot but i'll try itI buy and sell a lot of spectrum stuff and contribute to the MIA archive so i thought i would post this on here just in case anyone can help. Im aft…
RTC on my speccy?Hi guys, As much as I've not got much time to work on my Speccy (right now) I still like to come up with some funky ideas for stuff to do to it. I …
... in the download for the PCB/schematics.
The device ...When is a clone not a clone?If a Spectrum is built from scratch, using new components where available, is it a clone, copy or something else? See, I won an unpopulated Spectrum…
... an unpopulated Spectrum Issue 6 PCB off Ebay a few weeks ...Mayhem Accelerator - Prototype Complete [Sam CoupI am now pleased to announce that on the 8th June the prototype of the Mayhem Accelerator was finally completed. With work on the accelerator start…
... complete the designs for the PCB for the production version and ...Noisy display faultI've been given an Issue 3 48K Speccy PCB which is in good working order except the main display area has slight changes of shade loosely following a…
... an Issue 3 48K Speccy PCB which is in good working ...
