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ATF1504-84 DEV Board
SoulCat Jun 26,2022
The Atmel ATF1504 ist a great old CPLD with 5V and/or 3,3V support. The ATF1504-AS is a 5V type.The ATF1504-ASV is a 3,3V type, but it's IO always are 5V tolerant.So you can use both for 5V projects like old 8 Bit computers and so on.The L type is a low power variant of the CPLD (ATF1504-ASL and ATF1504-ASVL).The ATF1504 has 64 Macro Cells and can replace some TTL IC. The small brother is the ARF1502 with 32 Macro Cells. And there is a big brother with 128 Macro Cells (ARF1508).All this var...
Development board Commodore CPLD
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Replacement for Commodore 6540 ROMs (PET 2001 early version)
giobbi Jun 17,2022
PROJECT TESTED - WORKING FINE ON MY 1977 COMMODORE PETDrop-in replacement for the nowadays impossible to find 6540 ROM chipset used in the early versions of the Commodore PET 2001 using a 2716 or 2732 EPROM.Instructions (see the pictures to better understand):1) put the 74HCT138 on the component side and solder it from the solder side2) put the two 14 pin headers on the solder side and solder them from the component side - Tip: put the headers into a breadboard or into the 24 pin socket you will...
Commodore PET 6540
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C64 PlayOnTape
Lunde Jun 10,2022
Remember waiting around for what sometimes would feel like forever, just to get your favourite game loaded from your trusty datasette? Well, now you can now attempt to return to a slightly less irritating version of those good old days. Loading games will take just as long as they did back then, you just won't need to fiddle with the azimuth setting to get that very specific tape to load. Based on the rather excellent tapuino-project, the C64 PlayOnTape and its accompanying modules is just my ow...
Commodore 64 datasette tapuino
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Power Block
Arnov sharma Jun 09,2022
Hey Everyone what's up!So this is Power block, a DIY UPS that can be used to power a bunch of 5V Operated things like a raspberry pi, an Arduino project, or even charge devices like a tab or smartphone.The heart of this project is this Buck Converter Circuit that I got from PCBWAY's Giftshop.Previously, I've prepared a similar setup that has an onboard buck converter circuit but it can only output 5V 2A and its voltage was not stable, also that project was made for powering 1...
DIY USB Commodore
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Temperature Controlled 12V Fan for vintage computer
kinmami Jun 01,2022
A low-cost temperature-controlled fan.BOM list in the attachment.It can be used to control a 12V / (up to) 1A fan inside the Amiga PSU or (any computer) case, even if the motherboard hasn't a designed PWM control.Smooth operation.The duty cycle is regulated between 76% (room temp) to 97% (+100 degrees Celsius).The PWM frequency is controlled between 400Hz (room temp) to 700Hz (+100 degrees Celsius).
Commodore Amiga DIY
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Commodore Amiga 2000 3000 4000 Tick signal generator and -5V rail Power Supply Unit ATX ALL-IN-ONE
kinmami May 31,2022
This circuit replaces the missing TICK signal for the system clock of the Amiga 2000 / 3000 / 4000.This small circuit generates from the power line frequency of 100~240V a suitable 50/60Hz TTL signal, which makes the system clock run more accurately.In addition, it generates from the existing -12V a low noise fully protected regulated -5V / 1A line for Amiga 2000 / 3000.BOM list https://www.digikey.com/en/mylists/list/9HXPMBOTSE
Commodore Amiga Power supply
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Atari Commodore 64 Amiga Joy Port ESD protector C64 128 VIC 20 ST 800
kinmami May 31,2022
2x ceramic capacitor 100nF 50V X5R (or X7R) 0603/1608 SMT2x four channel ESD Suppressor DT1042-04SO (Diode Inc) or DVIULC6-4SC6 (ST) SOT-23-6 / SOT-26-6 SMTIt protects joy ports against ESD.To be soldered to the bottom side of the motherboard directly onto the joy-port.Compatible with digital, analogue controllers and mice.Board size 20 x 8 mm, 1.0 mm thicknessCommodore 64 CIA MOS 6526 ESD Protection:https://www.pcbway.com/project/shareproject/Commodore_64_C64_CIA_MOS_6526_ESD_Protection_866f642...
Commodore Amiga Hardware
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It's-a me, Mario
Arnov sharma May 30,2022
Hey what's up folks, this is my version of Super Mario Theme Player powered by an ESP8266 MCU.I Made the PCB themed after Mario the Plumber himself, On the TOP Side it's just an Artistic PCB but on the BOTTOM Side I've placed all the important components that drives this board.For Powering this setup, I added an ONBOARD USB Pad for making a USB on PCB.As for the Super Mario Theme song, it's a Note Based Sketch that plays melodies similar to Arduino Note Sketch.This Board is made in such a way th...
Arduino ESP8266 Audio
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PiStorm600
Lemaru May 27,2022
This is a Amiga 600 compatible rework of the original PiStorm Rev. B board. It clips over the 68000 CPU of the A600 using an inverted PLCC socket in the same way as many other A600 accelerators. Once fitted it disables the onboard CPU and allows the CPU emulator that it running on the Pi (Mushashi or Emu68) to take over.For details on installation, bill of materials, and information regarding PLCC sockets and required modification, please head over to the project page on GitHubhttps://github.com...
DIY Raspberry pi Commodore
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Amiga MIDI Interface (DB25)
Lunde May 24,2022
A feature fawned over by every Atari ST owner, mainly because most Commodore Amiga computers never came with MIDI-ports built into it (Yes, I know the Commodore CDTV was a later exception). Personally I never missed them as I was not lucky enough to have been born with a sense of rhythm, which is apparently a requirement for being allowed to purchase music equipment. A few years ago I decided that I needed a Roland MT-32 in my life, but with prices the way they are I wasn't able to get very far....
Commodore Amiga Roland
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