swap the G1 X60 E25 F500 to the G1 X120 E25 F500, your line will be narrower
Same problem just different values
Move exceeds maximum extrusion (1.074mm^2 vs 0.640mm^2)
See the 'max_extrude_cross_section' config option for details
Have a look here:
You might want to use absolute extrusion (M82) instead of relative extrusion (M83).
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Thank you! Now it works 
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is #position_endstop: 0 correct? I think the z-offset is not saved or as soon as I restart the firmware the z-offset is zero again, even though I saved before. The first layer is also bad again
[stepper_z]
step_pin: PB0
dir_pin: !PB1
enable_pin: !PA15
rotation_distance: 8
microsteps: 16
endstop_pin: probe:z_virtual_endstop
endstop_pin: ^PA0
#position_endstop: 0
position_min: -1
position_max: 250
homing_speed: 4
second_homing_speed: 1
homing_retract_dist: 2```As this is not your thread and now no longer related to the original topic you should create a new thread under General Discussion.
And read through here: Configuration reference - Klipper documentation
Hi All,
I successfully installed the firmware by @kvgx12 and was able to setup my Kobra 2 Neo. Mesh Bed Leveling and Calibrate_Z also working. Moving X, Y and Z by the user interface also working as expected.
But when I print something, it seems that the z-offset doesnāt work proper. The nozzle scratches at the bed and seems not move up at the next layer. I played a little bit around with the z-offset but it always seems no effect. z doesnāt move up and the nozzle scratches at the bed.
Any suggestions how to fix this? Iām not able to make a more or less proper print.
Many thanks,
Christian.
Made by K2N with Klipper.
After some fine tunings Iāll upload my config.
Edit:
My printer.cfg
Edit 2:
Iām still improving my printer.cfg so if some has downloaded it, itās very likely that downloaded version is outdated.
Hey, delighted to see the development. Can someone describe all of the necessary steps and what i will need besides a raspi?
Have anyone had luck bringing to life the LCD?
I`ve tried some combination without luck
Iāve already tried swapping the SD cards, iāve already tries swapping out motherboard, i tried both at the same time, i just cannot get the klipper to work guys. I am really frustrated because i wanted to run it for the last 2 months and everyone except me here runs klipper somewhat successful. Thank you for all your help, but i need to take a break. I think iāll stll be reading the thread from time to time but iāve burned out a lot from this. See you some time soon.
Give it a try again the last time but using windows.
My daily setup runs Linux desktop, but only using Windows to format SD card to FAT32 and uploading firmware.bin work.
So give it a try, good luck!
Take a firmware.bin and config from this thread on Reddit:
https://www.reddit.com/r/klippers/comments/18ub6mt/comment/kgcpcps/?utm_source=share&utm_medium=web2x&context=3
Good luck and have fun!
(but be aware that i am not sure that every thing will work as expected)
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I think LCD display from K2N needs brand new driver for klipper based on stock Marlin firmware from Anycubic.
Source code can be found on:
https://github1s.com/ANYCUBIC-3D/Kobra2_Neo/blob/HEAD/Marlin/src/lcd/tft/ui_320x240.cpp
Guess what? It flashed first try!
I have decided to go to my friendās house and use his pc to flash the firmware, now it works
I think itās because over the last year iāve done way too much modifications to my linux installation and because of that there is 100% probability that i broke something lol. I really need to consider distrohopping.
My experimental configs
config-20240108-153246.zip (3.1 KB)
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Does your kobra 2 neo first layer work fine with marlin? Iām running into a weird issue where mine gradually loses its position, (the bed getting lower in relation to the nozzle)I print the exact same file repeatedly, and never touch the z-offset myself, or leveling.
The first few prints the nozzle is too close to the bed, then it starts being perfect, and then the last prints the nozzle is too far away from the bed.
Starting to think its either the stepper motor or the motherboard 
Sorry to hear that. I am still doing improvements to my config, currently doing auto bed leveling testing. Iāll send you the files as soon as i can
My OrangePi bricked itself and i have been repairing it since lol
Anyways, here are my updated configs for kobra 2 neo.
config-20240109-172147.zip (3.2 KB)
print pause, resume and cancel macros (kinda untested) was taken from here
How to auto calibrate bed:
WARNING! Youāll need to calibrate the z offset to avoid damage! Youāll need to change the z_offset at the end on printer.cfg to zero and figure your value out manually. The configs are very experimental so i am not viable for any damage even if done exactly like described here.
I am trying to make input shaper work, i took the settings from kobra 2 pro configuration file because i think that the kinematics and thus the resonant frequencies will be the same.
