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@morkev
morkev / fix-keychron.sh
Last active July 31, 2026 09:07
Fix Linux Keychron Error: HID Device Connected [K]
#!/bin/bash
# ==============================================================================
# KEYCHRON LINUX FIX F0R HID DEVICE C0NNECTED [K]
# Author: morkev
#
# Contributors:
# - SIMULATAN: Fixed dongle interference by filtering out "Link" devices.
# - karoltheguy: Added SELinux context reset (restorecon) to prevent silent blocks.
# - wanjas: Verified 'input' group addition is required for distros like Pop_OS.
@kmobs
kmobs / DampingRatio.md
Last active November 14, 2025 06:18
Calculating the damping ratio for your hardware:

Prerequisite - Outdated. I don't use the resonance testing branch or pulses method anymore.

I recommend running Dmitry’s latest resonance testing branch and using the pulses method outlined below:

https://github.com/Klipper3d/klipper/issues/4560
https://github.com/dmbutyugin/klipper/tree/resonance-test-methods

I would only go down this path if you're getting ghosting with really high speed prints. On the Annex Engineering K3 for example, no matter how perfect the graphs looked, I was still getting some ghosting. That prompted me to go down this path. I'm now able to print at 20-30k acceleration, 250-350mm/s, and 15scv with perfect quality that can usually only be seen at significantly slower speeds.

The default settings in Klipper have the damping ratio set to .1. This should be fine for most people with sane settings. I like to go for the insane.