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Spectral - Spectrum Clone from (former socialist) east GermanyFolks over at robotrontechnik.de have reissued the PCB used for one of the more compatible Spectrum Clones of the GDR and are currently building thei…
... robotrontechnik.de have reissued the PCB used for one of the ... -
Kempston Joystick on Pentagon 128As most of you know, I'm currently in the process of building a Pentagon 128, good news first, almost everything is working nicely, except for the ke…
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Point being, on the PCB I have there's a ... -
Quick question on the IN #FF port fix for Spec+3 issue2Was wondering if the [b]IN #FF port[/b] fix shown here: [url]http://www.secarica.ro/html/plus3_hardware.html#inFFport[/url] applies to the Spectrum +…
... printed on my +3's pcb is considered a +3B since ... -
Project #1 : Speccy 128k+2 with diVide inside...Hi guys, I just have finished my Super Spectrum #1 The idea (I was thinking of that since 2007) was to fit an english grey +2 motherboard in a +2A…
... insulation too (wires and both pcb).
[IMG]http://imageshack ... -
Timing of Timex Computer 2068Is the timing of the Timex Computer 2068 fully documented yet? I have one here with the ZX Spectrum Emulator cartridge and have downloaded a few test…
... . I have seen a TC2068 PCB with discrete resistors (instead of ... -
ZX 48 sound card , sam coupe audio chipPrototype done and working (thanks for Velesoft for schematic). [url]https://www.youtube.com/watch?v=RtsW1QZjHVs[/url] PCB done and ordered in PCB …
Joystick Interfaces on +2AJust found out that my DK'Tronics joystick interface doesn't want to play with my +2A (black). The Kempston port works OK, but not the Sinclair port…
... was a much newer green PCB than the brown one in ...Take care when connecting Spectranet and probably other newer peripherals.I've just encountered an unexpected problem and thought it'd be good to warn others of the potential problem. I've just attempted to use a Spectrane…
... with the slot in the PCB is thin enough to allow ... the Spectrum's edge connector PCB pads. This is a very ...What interface is that?Just got hold of a Cheetah interface and I cannot figure out what it is for. It has a through-port, but no connectors at all. On its PCB, there is a …
... connectors at all. On its PCB, there is a "lamp" (not ...Alphacom 32/Timex 2040 PrinterHello again, Having resurrected my ZX Printer, I have now turned to an Alphacom 32 that is not working. However, I am completely in the dark with th…
... of the diodes on the PCB getting very hot very quickly ...Fuller Printerface (Centronics)I met up with a customer today and he has used a Printerface with a Walters Microsystems WM2000 printer. I presume the Printerface is the Fuller ver…
... the word Printerface on the PCB. The PCB does not contain an ...K Joy 2013About to order a third batch of Kempston Joystick pcb's. Again, I managed to get it smaller! I'll print the text on paper this time. [IMG]http://ben…
... third batch of Kempston Joystick pcb's.
Again, I managed ...Can a Multiface be modified to use different ports?I've been asked if it is possible to upgrade an older non-DISCiPLE/+D MF128 to a later model by modifying the hardware. I know that changing the ROM…
... rewiring/cutting traces on the PCB so that it would use ...Hardware description - BETA DISK interfaceExist more versions and clones of BETA DISK interface. Beta disk 48, beta disk 128, brasilian clones of beta disk 48, russian clones of beta disk 128…
... [/code]
[B]PCB info:[/B]
Here is ... schematic and PCB in PDF and P-CAD ...ZX spectrum 128K + 2 (Grey one :)Hi all, I'm trying to revive a dead ZX 128K +2 (the grey one). The regulator was damaged and seemed to be feeding 7.8Volts onto the pcb. Yikes ! I…
... feeding 7.8Volts onto the pcb.
Yikes !
I ...Hardware description - MULTIFACE 3[B]Hardware description - MULTIFACE 3[/B] This is description of MF3 clone, because I can't find more about original interface. Schematic and PAL ch…
... equations from decoded from this MF3 clone: [URL="http:// ... this feature without effect because MF3 memory is connect) + ... MF3 memory. This IN instruction disconnect MF3 memory(yes, disable MF3 ... using MAGIC button with connected MF3 memory)
...Bloody CF cards..As many know, I manufacture lot's of DivIDE interfaces. I get my Compact Flash cards from different places in Europe and China. Sometimes some cards…
... past were identical, even the pcb wiring.
But the last ... different and have a new pcb design.
Now I ...Issue 4A black paper, white borderJust had one of these through, nice yellow pcb! Everything but the ULA soldered in. On power up I get black paper, white border and some intermitten…
... of these through, nice yellow pcb! Everything but the ULA soldered ...Diodes placed the opposite way in +2A/+3 PCB'sI was just going to report this as a mistake in the schematics drawn by Guesser, but I saw a real board and realize that the schematics are right. […
I was just going to report this as a mistake in the schematics drawn by Guesser, but I saw a real board and realize that the schematics are right.
[img]http://www.atc.us.es/~rodriguj/diodes_in_keyboard_matrix_plus3.png[/img]
The ...Hardware description - MULTIFACE 128I make schematic of MULTIFACE 128 (v36) from PCB layers downloaded from WOS. But all PCB layers on WOS contain some bugs, absent signals, etc.. Now …
... of MULTIFACE 128 (v36) from PCB layers downloaded from WOS. But ... all PCB layers on WOS contain some ...New multi-interface for ZXI have in development new interface for ZX Spectrum. PCB size is similar as K-MOUSE interface and on board is CPLD (programmable logic), up to 1MB st…
... new interface for ZX Spectrum. PCB size is similar as K ... micro SD slot.
On PCB is PS/2 or USB ...ZX-Uno prototype for saleThis is a FPGA based clone. You will receive the PCB and all the components unmounted. Mounting this PCB require advanced soldering skills because sm…
... clone. You will receive the PCB and all the components unmounted ... . Mounting this PCB require advanced soldering skills because ... idea was to fit the PCB in a Raspberry Pi case ...DK?Tronics keyboard troubleI have a DK?Tronics keyboard here, which is causing some trouble. Physically it?s in great shape, but some keys simply do not work. The non-working k…
... the connector to the keyboard PCB (pins at the rear side ... also 4 diodes on the PCB, but all of them read ...Connectors for ZX BUSHere is photos of three different versions of connectors used on ZX interfaces: As you can see, each connector use different shape of contacts. Firs…
... DIVMMC interface : (maximal thickness of PCB = 1.85 mm)
[IMG ... =eshopn[/URL] : (maximal thickness of PCB = 2.00 mm)
[IMG ... (year 198x) : (maximal thickness of PCB = 2.00 mm)
[IMG ...ROM replacement using 28C256 EEPROMThought I'd share a quick project I knocked up in order to use a 28C256 EEPROM in place of the standard 23128 ROM in the Spectrum. The connections a…
... no modification of the Spectrum PCB is necessary other than the ...ZX Spectrum +2A and +2B - finding the true factsI'm confused. Some told me that a +2A has a +3 board, and the +2B got the simplified board. But I think that is not true. I have had over a dozen b…
... . It had a truncated +3 PCB omitting the floppy controller circuitry ...PC Keyboard Interface v2014.1A new version of the PC keyboard interface is coming up, with a few improvements: - 'Reset-bug' removed - Smaller, just one inch high, hence cheaper …
... cheaper to ship
- Black pcb
[IMG]http://benophetinternet ... (this is not the new pcb):
[IMG]http://benophetinternet ...Idea: New interface 1There are a lot of great new interfaces to plug into the back of the spectrum, but things quickly get rather messy! The interface 1 is a very tidy s…
... proposing to design this - my pcb design skills are non- existent ...Spec 48K case with a twist...Some people will have heard of the [URL="http://www.worldofspectrum.org/forums/showthread.php?t=37746"]Harlequin[/URL] project under way which is a r…
... rough to house the Harlequin PCB, I thought.
So ...
