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However I notice there is quite a lot of variance for each run of the test (each line) initial climb start time when using random delays between each test. If i set the delay between each test to the same e.g. 1000ms, then the graphs line up almost perfectly (initial climb start the same time each ...

The three approaches I think are best all have in common a test platform capable of both GPIO and USBHost. 1: Mechanical input to USB output. Attach an accelerometer or contact microphone to a mechanism that can press keys with good repeatability. measure the time between when the mechanism touches ...

The framerate meters you have are implemented before the GPU, so they won't show you fluctuation in frame time caused by different frames taking different amounts of time to render.

I have a problem in the last step, when I enter the code ./flashrom, it throws me an error of ./flashrom not found. pleas help me, my monitor is Benq XL2420z Are you in the right place? You can use pwd to see what directory you're in, and ls to see what's there. I've been two days with this and I c...

Kbenq wrote:
I have a problem in the last step, when I enter the code ./flashrom, it throws me an error of ./flashrom not found.
pleas help me, my monitor is Benq XL2420z

Are you in the right place?
You can use pwd to see what directory you're in, and ls to see what's there.

Well, that patent date is after the leo bodnar tester came out, and mostly seems to deal with touchscreens. Is there a specific part of it that you're worried about? There are also a couple implementations similar to your device on this forum: https://forums.blurbusters.com/viewtopic.php?f=10&t=3005...

The difference in input lag between the two monitors doesn't change with framerate, you'll just be able to see it more consistently. Say you have two monitors at 60hz, and the timer is running at 30fps. Depending on when the frame completes, a monitor will be displaying the image for 33ms, or it mig...

The timer you're using might have a very low framerate when compared to the refresh rate of the monitors.

This type of test needs to be run many times. The refresh rate of the monitors and framerate of the timer have a big impact, so you need a lot of samples to figure out exactly how big the difference is. Keep taking photos until you get several where the number on both monitors is different, the prop...

Someone at https://www.reddit.com/r/thinkpad/comments/9ivh0u/thinkpad_keyboards_measurement_of_polling_lag_and/e6n9dc3/ reported that pressing two keys simultaneously on the MasterKeys Pro S, a 1000Hz keyboard, makes one of the two keys appear first every time. That sounds like either the firmware ...