Wii Classic Controller

Latency of an input from a Wii Classic Controller

Measured by connecting it to the microcontroller in question, and then sending a signal to toggle the "A" button, and timing how long it takes that signal to reach a target device over USB.

microcontroller	Sparkfun Pro Micro 5V	Sparkfun Pro Micro 3.3V	Arduino Uno	raphnet wusbmote
poll rate	1 ms	1 ms	1 ms	1 ms
min	0.53 ms	0.62 ms	1.26 ms	0.51 ms
max	2.94 ms	3.7 ms	2.58 ms	2.47 ms
avg	1.5 ms	1.89 ms	1.81 ms	1.46 ms
stddev	0.5 ms	0.61 ms	0.27 ms	0.44 ms
%on time	92%	89%	90%	92%
%1f skip	8%	11%	10%	8%
%2f skip	0%	0%	0%	0%
%3f skip	0%	0%	0%	0%