Wanted a joystick switcher for my Commodore 64, so I built one by adapting C64 Mega Switcher for use with Atari-style joysticks. Supports secondary fire-button when using Sega Master System gamepads, even includes an auto-fire circuit.
License: Other
⚡ I'm not an electronic engineer, I just couldn't afford real LEGOs so I play around with cheap modules, KiCAD and a soldering iron instead. I like designing PCBs of things I've seen, most of them I only build so that I would have one of them, the resulting files you'll find in the various repositories here. As for guarantees, there are none.
❓ If you have a specific question not directly related to a specific repository, check out Frequently Asked Questions (FAQ).
I love the switcher!
I'd add to it a feature so that when using port 2, the ALT_FIRE pushes the FIRE on port 1 instead of switching to the paddle pot
Hi, I can't get Auto Fire to work.
I am using PCBWAY revision C (https://www.pcbway.com/project/shareproject/Commodore_64_Joystick_Switcher__Revision_C_.html).
Assemble everything as indicated, and the other functionalities work perfectly.
I changed the 555 chip for a new one to see if it was the problem, I adjusted the preset and I didn't get any change at all, just no autofire.
What could it be? I can upload photos if you think necessary.
Thanks
Hello,
Do I need transistor circuit, when I will use standard Atari Joystick with Button2 wired to pin9 of connector, please?
What function Transitor has? I dont want to use Sega controller anyway…
Thank You
Hi, i need a some PCBs from you, can answer me. Thanks
Hi
I've built both this and the mega switcher recently. Mega switcher works perfectly so that's awesome. Switch back and forth as you please no issue.
This one though is acting odd, starts off in port 2 (as does mega switcher), switch to port one and can't switch back to port 2 without a power cycle to reset it.
I've tried the obvious of switching the CD4053's and NE555 with known working ones in case they were bad, but they are not.
I assumed they'd both function basically the same for switching as there's only minor differences (ignoring the auto fire....which is disabled).
Kinda has me scratching my head. haha
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