EEVblog #1054 – How an Analog PC Joystick Works

How does a PC read an old school analog joystick?
It might be more interesting than you think.
Or how to make an ADC out of a 555 Timer…

IBM PC Jr Technical Reference Manual:
http://www.retroarchive.org/dos/docs/ibmpcjrtechref.pdf

Tandy 1000 Technical Reference Manual:
https://ia801708.us.archive.org/5/items/Tandy_1000_Computer_Service_Manual_1985_Tandy/Tandy_1000_Computer_Service_Manual_1985_Tandy.pdf

Forum: http://www.eevblog.com/forum/blog/eevblog-1054-how-an-analog-pc-joystick-works/

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