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My DIY joystick project for both old Commodores/Ataris, and USB

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Stephan:
Hi!

Am new here in this forum, and was just helped very kindly in another thread, so thought I should give something back:

Just wanted to show you my DIY project of a joystick for Commodores/Ataris, which also has a USB port:




* I tried to make it as beginner friendly as possible, with all plans provided
* Uses Attiny microcontroller and V-USB to do the USB bit
* Uses a NE555 based astable multivibrator for adjustable rapid fire
* Has a 2nd logical fire button, which is supported in quite a number of Amiga games, and even a few Commodore 64 ones, like Paradroid Redux.
* In its newest version it has a 4 digit 7 segment display to display the auto-fire frequency, and for port configuration (Amiga and C64 use different 2nd fire button signals), all by the same microcontroller
* Comes with stripboard layout and parts list, also has a PCB layout for the version without the display
* Am also describing how to use USB-C
* Comes with a comfortable shopping list for parts with a german electronics online shop
Here's a Youtube video of the display in action: https://youtu.be/-EysjGoyjyY
So far only one joystick of the version with display exists (at least that I know of):


Here one of the first ones I built, still without 2nd fire button, but uses USB-C:


Good old self-made stripboard. Nice and optimized - I've used every horizontal line of it. Also in its newest version with display the pins of the microcontroller are now fully maxed out.


Here's the project page:
https://gitlab.com/edge-records/joyweiler

My plans for next winter or so are to make it all SMD and reduce components to use the Microcontroller for everything, for it to be the only IC needed.

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