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hello, Can 74LSxxx be used as a replacement for 74HCTxxx/74HCxxx in this project? Can it work normally?
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Hi,
I tried with a modded for Amiga ALPS floppy but it doesn't work. I actually think I burned something on the floppy (as now it won't work as standalone inside the Amiga - used to) and also fried…
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In Rahmen eines Schulprojekts in der Klassenstufe 11 haben einige Mitschüler und ich den von Ihnen konzipierten "Bonsai-Modellrechner" gebaut. Nachdem die Inbetriebnahme nicht ganz erfolgreich verlief…
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I am not able to really browse the schematics, using the PDF file. It is just too large. I've trying importing it into other tools but I never get good results. Could you add multi page schematics in …
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Does it work also as a ZX80?
Here you can see a nice trick that will do with 4 resistors in case!
https://sinclairzxworld.com/viewtopic.php?t=1329
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*Created by: slseed1969*
The TL866 is capable of testing IC chips with the Windows app. Is it possible to use the minipro command to test TTL's such as the 74HC86? I see that the chip is listed in th…
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### What happened?
Hi,
apple2driver draws 100% CPU which makes the single core zero extremely slow. and heats the zero and some 74xx.
this is when Apple2-IO-Rpi is not connected to the zero:
``…
JPT77 updated
11 months ago
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First of all, thanks for all the effort and sharing this. It is exactly the type of thing I'm looking for, and it's a simple and inexpensive solution. I'm impressed!
My ZX80 has a variation of the …
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So I finally got around to building one of the 80 col cards. When I do a pr#3 to go into 80 col mode the Sync is way, way off. I need to dial H Hold on my monitor to almost the extreme end to clear up…
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How Konami programmed the analog inputs for Teraburst is strange. H/W-wise, it's controlled through a (IR filtered) composite video camera with its signal fed through an LM1881 and its multiple output…