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As a fleeting point of interest...A fleeting point of interest to you all may be that I've just decided that after triple checking my PCB design for the Spectranet (Spectrum Ethernet …
... that after triple checking my PCB design for the Spectranet (Spectrum ... just been submitted to a PCB fab for a prototype order ... test each part of the PCB in as much isolation as ... -
ULA Replacement WORKS !Hi chaps. Lots of activity over the last couple of weeks, and _finally_ we have [B]a working ULA replacement[/B] !! The analogue components such …
... end up on the same PCB.
Details and photos ... /> I will be getting some PCB's made up professionally, probably ... -
+3 disk drive belt replacingwell, I tried replacing the belt but some piece fell out of the drive. I don't know from where :( . It looks like a small screw but without the groov…
well, I tried replacing the belt but some piece fell out of the drive. I don't know from where :( . It looks like a small screw but without the groove.
it happened after trying to remove PCB.
where does it go? -
Socket to me..Specchums ! I'm laying out the PCB for the ULA replacement, and I need to know how common it is for the following IC's to be socketed (all to the ri…
... /> I'm laying out the PCB for the ULA replacement, and ... for issue 5.
PCB Layout diagrams are available here ... -
Simple CF card interface for interested...I'm about to manufacture smaller count of simple CF card interfaces for Spectrum 48K. Some details and supporting SW are here: [url]http://www.ppest…
... people is interested, because of PCB ordering quantity. -
A website devoted to new hardware projects for ZX Spectrum: www.zxprojects.comHi! After months of writting posts about things I've done with Spectrum's (mostly hardware), I've decided to put them all together, so interested peo…
... new, or download schemas and PCB to build any of the ... -
Timing... in the CSS faqI was looking at the CSS faq for something completely unrelated and noticed: [quote] Then the 192 screen+border lines are displayed, followed by 56 …
... ULA dissipating heat into the PCB and surrounding air will change ... -
USB Speccy keyboardLooking around a certain computer store the other day, I notice external USB or remote keyboards- no big deal! However I was wondering if anyone had…
... speccys- take out the dead pcb and turn the shell into ... -
ZX Spectrum external keyboardI picked up this keyboard at the flea market a couple of days ago. It was being sold together with a Speccy, PSU and cables but since I only wanted t…
... ? I'm no good at PCB etching so some sort of ... -
+2a datacorder problemsHelloooo, how's it going? Reason I'm posting is that 1) I'm a massive speccy fan, it was the first range of computers I ever owned 2) I'm having rea…
... on heads, checked wires on PCB, checked that the wires going ... it was somewhere on the PCB (or maybe somebody tried some ... -
Another badly behaved RAM upgradeI have a 48K issue 4A board (yellow it is) that was a 48K machine from new, but only reports 16K working with the Sinclair ZX Test ROM in an Int2. H…
... - only 16K
The PCB is immaculate, no signs of ... -
Hello everyone. (+ a question.)Hello everyone. I have been visiting WOS since 1999 but I have only recently signed up for the forums. So, first of all, thanks to those who are main…
... keyboard headers on the +3 PCB. I know that up until ... are two headers on the PCB marked "Keyboard X" and "Keyboard ... -
Cro S2008Hi everybody!!! I hope this is right thread? :-) I want to share with you my new project. I call it ?S2008?? The idea was to build Spectrum48K clo…
...
- And if you want PCB keyboard contacts?
Many ... -
Analogue BeeperThere's been a discussion on foro.speccy.org about multichannel beeper stuff, and since I had the camera out and the scope set up, I set about demons…
... elsewhere on the Spectrum's PCB is getting picked up). -
R.I.P. spectrum 48kRecently one of my 48k rubber key (issue 4) machine bit the dust the other day when I tried to power it on. When powering it on, it gave a weird 'bee…
... a new speaker to the PCB, but had to add a ... -
Spectrum ZXMMC InterfaceAnyone using the Spectrum ZXMMC Interface? [URL="http://www.zxbada.bbk.org/zxmmc/pcb.htm"]http://www.zxbada.bbk.org/zxmmc/pcb.htm[/URL] What all Si…
... ://www.zxbada.bbk.org/zxmmc/pcb.htm"]http://www.zxbada.bbk ... .org/zxmmc/pcb.htm[/URL]
What ... -
issue 6a faultyHi All I got issue 6a pcb from ebay with status faulty pcb had bad voltages when I power up I changed tr4 ztx650 and all voltages got back on ic6 I h…
...
I got issue 6a pcb from ebay with status faulty ...
pcb had bad voltages when I ... -
RGB-Output (interface) for rubber 48k / Spectrum+I wonder if there is interest for a small RGB-interface for the rubber 48 k / Spectrum+. I developed a schematic using a very small number of parts.…
... is interesting.
A first PCB measures 2" x 2" (5cm ... it outstanding small.
Because PCB production costs a lot of ... -
upgrades what you looking for?i start working for upgrades for ZX, but i'm Atari specialist and i don't know exactly what you need for ZX. On the moment i have DIVIDE in stock, an…
... finish AY stereo inererface project, PCB made in proffesional factory, for ... -
Trying to help a ZX81 user[QUOTE=ZX81OAP at the ZX81 forum]I am looking for the name of a magazine that was mainly for computer projects. I started some improvements for the …
... of them mounted on a PCB. I would now like to ... -
Mail from russiaIf anyone of you is interested in Pentagon 1024SL or Z-Controller boards or built up NeoGS or TSFM interfaces drop me a line, as I'm gonna order from…
... Rub ~ 16?
Z-Controller PCB - 300 Rub ~ 7?
Pentagon ... 1024SL PCB - 800 Rub ~ 19?
Thinking ahead...Just mulling something over for the Project After The Spectranet (which seems to have become never-ending...) Would anyone (except for me, naturally…
... build it on a proper PCB - I'm thinking of using ...ZX Spectrum 48K firmwareCan somebody tell me in which IC the firmware is located. I mean which IC holds the "Error Codes" ? I have a Spectrum which give the Error Codes in s…
... change it to english. The PCB board is a 1983 Issue ...Casing For Divide 57cHi all, Can anybody advise me on a suitable case to mount the Divide 57c interface into? Original interface designer I e-mailed some time back, he …
... me the original case the PCB was designed to fit into ... on how you mounted the PCB into a suitable case. This ...Thinking About Getting an Arcade Machine.I've been thinking about getting a upright arcade machine. I wanted a cocktail (table style) one but these are out of my price league. My wife says …
... propper arcade machine with propper PCB's much better than playing ...Issue One 'Dead Cockroach' chipI recently got hold of an Issue One spectrum, and I started wondering: is the dead cockroach chip required due to a flaw on the PCB, or is it really …
... to a flaw on the PCB, or is it really a ... up on top of the PCB.spectrum cloneI was wondering if it would be a fairly straightforward job making a clone of the spectrum? Could someone get a spectrum circuit board made complete…
... idea would be that the pcb would be the same size ...looking for the PCB files and parts etcfor the divide+ as it seems that I may well have to build one myself (i dont really want to) also any gal/jedec file needed thanks in advance
for the divide+ as it seems that I may well have to build one myself (i dont really want to)
also any gal/jedec file needed
thanks in advanceAY sometimes doesn't sound correctlyI have a second hand 128+2 (grey) and a small problem. AY music sometimes doesn't sound correctly - one sound channel plays out of tune. The problem …
... case, cleaned the dust from PCB - it didn't solve the ...
