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Revisiting the Original TI-99 Joysticks


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During a recent Zoom TI-99ers Meeting, I asked if anyone had ever modified the TI-Joysticks to make them work better?  As far as we knew, it hadn’t been done.  The "normal" process would be to design a replacement circuit board and have them made.  Of course, I took a different route… ?


This is a modification to replace the internal parts of the joystick with tactile switches.  This has revived my old joysticks, and now I really enjoy using them! 


BTW, It is completely reversible in that it does not damage the existing components.  With that said:

Disclaimer:  Do this at your own risk.  This project WON’T damage your existing joysticks unless you are careless.  I freely provide this project to the TI community and welcome comments and improvements.




The attached zipped file has complete instructions.  It does require access to a good 3-D printer and a few other materials. Some soldering skills are necessary.


David G, Prattville, AL

Revisiting the TI99 Joysticks.zip

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