3 ms·
If memory serves, game ports on PCs didn't use any ADC as those would cost a lot in the 80s and 90s. They rather used the gamepad controller (a potentiometer) a
by squarefoot 4y ago
If memory serves, game ports on PCs didn't use any ADC as those would cost a lot in the 80s and 90s. They rather used the gamepad controller (a potentiometer) as part of a RC oscillator where the C was on the mainboard, then they would sample the period which would be proportional to the controller resistance and get the relative position.
- dragontamer 4y agoAn RC oscillator into a PWM pulsetrain sounds an awful lot like an Analog to Digital converter to me. :-) Then again, I'm the type who considers an analog comparator to be a 1-bit ADC so...