PS1 Controller

Latency of an input from a PS1 Controller.

Measured by connecting it to the microcontroller in question, and then sending a signal to toggle the right trigger input, 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	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
min	0.46 ms	0.48 ms	0.66 ms	1.93 ms	0.55 ms	1.1 ms	2.07 ms	1.46 ms
max	1.94 ms	2.13 ms	2.62 ms	3.07 ms	3.21 ms	3.23 ms	4.7 ms	3.11 ms
avg	0.97 ms	1.14 ms	1.46 ms	2.43 ms	1.29 ms	2.34 ms	3.4 ms	2.26 ms
stddev	0.32 ms	0.35 ms	0.39 ms	0.34 ms	0.49 ms	0.42 ms	0.56 ms	0.37 ms
%on time	95%	94%	92%	86%	93%	87%	80%	87%
%1f skip	5%	6%	8%	14%	7%	13%	20%	13%
%2f skip	0%	0%	0%	0%	0%	0%	0%	0%
%3f skip	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.