-
I want to build a new, super spectrum ;-)only kidding Andrew :-) my brain's going at a mile a minute at the moment, so I thought I should put some of the ideas down in case one of them is w…
... or something based on the harlequin circuitry built as a plug ... -
Damn, I think I need a reflow ovenOr a reflow frying pan at least... I was just assembling an order through Farnell since I've worn out another soldering iron tip (which has actually…
... particular thing to keep the PCB size down.
So ... -
Broken SpectrumsChaps ( & Mrs Death ), I was looking at getting some dynamic ram chips for the next phase of the Harlequin stuff, and I started thinking...... I've…
... the next phase of the Harlequin stuff, and I started thinking ... -
Mb02+ideAs I wrote in the hardware forum there will be a small number of a redesigned MB02+IDE (nearly the original MB02+ including IDE interface also for CF…
Spectrum ethernet ... first stepsThe first thing I do when I get a strange and unusual chip to play with, is to make a breakout board. The breakout board basically contains the chip …
... the weekend, I did the PCB layout. Two layers is ... board is a home-made PCB, using the laser toner transfer ... of making a one-off PCB - you just print the ... up the sheets with the PCB layout, stick the board between ... the finest pitch home made PCB that I've made. ...Why the hell are you asking to be ignored or banned?"Are you seriously that screwed up that you are posting on a forum and asking to be banned?" not at all i dont care, this isnt important. Alas a few…
... at Mame, ive given CASH/PCB`s on several occasion see ...Spectrum ethernet... step 1.1Yeah, a tenth of a step :-) Here's the W5100 board up and WORKING: [url]http://www.alioth.net/tmp/w5100-online.jpg[/url] This is called the "Get Th…
... - I had thoroughly tested every PCB trace for shorts and opens ... .e. unwanted capacitance of the PCB itself) as a consequence of ... . Those miniscule 0.2mm wide PCB traces are really, really easy ... underneath the crystal and its PCB tracks. Actually, it seems like ...The direct bus or indirect one... that is the questionThe Ethernet project continues...and I'm in a quandry. So I've managed to implement enough socket library for the W5100 that socket, bind, listen, a…
... chip. It also simplifies the PCB layout because the address bus ... way from thinking of the PCB layout anyway, and it'll ...The best kind of peripheral/thru port orientation?So, given no standard Speccy backplane, there's soooo many ways you can make a peripheral and through port. You can mount the board vertically, with…
... make (it's just one PCB), but would be awkward to ...Diag Board and Simple 8bit IDE IFHello, finally I have made it. After finishing Winston's Diag Board a few days ago I started yesterday building the 8 bit IDE Interface from Peras s…
... . is somewhere around here a PCB layout for building a spectrum ...128 +2 KeyboardI've just bought an Amstrad +2 keyboard assembly (membrane and keys) on ebay to use with my Harlequin project. It was a steal at about 1 Euro ;-) It…
... ebay to use with my Harlequin project. It was a steal ...Crystals...Anyone know a source of 14MHz crystals?? I've only been able to find 14.3**** crystals. If I/we want to build more Harlequin's, then we need 14Mhz …
... /we want to build more Harlequin's, then we need 14Mhz ...Is this a good source of edge connectors?[url]http://cgi.ebay.com/70-ea-AMP-645169-2-8837-CONN-PCB-STD-ED_W0QQitemZ110039063685QQihZ001QQcategoryZ117487QQrdZ1QQssPageNameZWD1VQQ_trksidZp1638…
... -AMP-645169-2-8837-CONN-PCB-STD-ED_W0QQitemZ110039063685QQihZ001QQcategoryZ117487QQrdZ1QQssPageNameZWD1VQQ_trksidZp1638.m118.l1247QQcmdZViewItem[/url ...3" disk preservation - optionsFor now we're still able to find old PCs with Floppy drives, floppy drive cables, new PCs that may not have a Floppy drive but still have the FDC and…
... with the drive, not the PCB with the 34-pin connector ...Ethernet update[B]Layout and more layout[/B] - the PCB's almost done. [url]http://spectrum.alioth.net/doc/index.php/Current_events[/url]
[B]Layout and more layout[/B] - the PCB's almost done.
[url]http://spectrum.alioth.net/doc/index.php/Current_events[/url]Spectrum ULA replacement!Hi gang.. The Speccy 48 ULA Replacement is *almost* here ;) There has been lots of activity in building the CPLD board, sorting out some irritating…
... and prototyping some up-coming Harlequin 'features' ;)
Anyway, the ...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 ...Happy Birthday csmithHappy Birthday csmith... ...don't drink too much, you've got a Harlequin to work on.
Happy Birthday csmith...
...don't drink too much, you've got a Harlequin to work on.
