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	Pi Pico	Sparkfun Pro Micro 5V	Sparkfun Pro Micro 3.3V	Arduino Uno	raphnet wusbmote	Pi Pico	Sparkfun Pro Micro 5V	Sparkfun Pro Micro 3.3V	Arduino Uno
firmware	new	new	new	new		old	old	old	old
poll rate	1 ms	1 ms	1 ms	1 ms	1 ms	1 ms	1 ms	1 ms	1 ms
min	0.62 ms	0.53 ms	0.62 ms	1.26 ms	0.51 ms	0.54 ms	0.92 ms	1.47 ms	1.4 ms
max	2.66 ms	2.94 ms	3.7 ms	2.58 ms	2.47 ms	3.47 ms	2.93 ms	8.72 ms	5.36 ms
avg	1.11 ms	1.5 ms	1.89 ms	1.81 ms	1.46 ms	2.04 ms	1.91 ms	3.8 ms	2.74 ms
stddev	0.39 ms	0.5 ms	0.61 ms	0.27 ms	0.44 ms	0.65 ms	0.44 ms	1.68 ms	0.79 ms
%on time	94%	92%	89%	90%	92%	88	89	78	84
%1f skip	6%	8%	11%	10%	8%	12	11	22	16
%2f skip	0%	0%	0%	0%	0%	0	0	0	0
%3f skip	0%	0%	0%	0%	0%	0	0	0	0

Note that in the below graph, you can click on legends to show and hide different controllers when comparing.