hei how is it going… ive being trying to install klipper on S1 pro, but every time i run in to the same issue: “mcu ‘mcu’: Unable to connect” i use this config on my board: *STM32: Chip on the Mainboard *STM32F401: with “64KiB bootloader” (i check my board is 401) *Communication interface: USART…

uff finally i re-flash the PI (i was getting some xserver missing when installing KlipperScreen), so i had to throw post: [image] Debian Bullseye Bug causing Klipper to no longer find the printer board Announcements Moved to Debian 11 (Bullseye) udev bug - No board or ser…

Did you read the post from @Sineos ? You deleted the section that explained that you are posting in the wrong category.

ahh, ok thanks, that @Sineos meant…

Where did you read the information about the firmware file? Often it has to have a particular name so that the printer recognizes it upon restart and flashes it. This can then result in a changed filename. With the properly flashed firmware you will get the correct ID you have to put into your co…

@LifeOfBrian the one from GitHub, also i google a bit here and there flashing my specific machine… so a bit from here, a bit from there… but two things ****today at work i was googling a bit on mcu problems and i came across this post from someone who had a really similar problem to my and he was …

With the properly flashed firmware you have to enumerate the serial of the MCU when connected to your SBC and this serial is then entered in the printer.cfg. All described on the Klipper documentation page.

ok we move one step forwarded the printer is properly flash now :slight_smile: but is still missing the MCU, when i try to ls from the PI im getting: "pi@pi:~ $ ls/dev/serial/by-id/* -bash: ls/dev/serial/by-id/*: No such file or directory "

i came across this post: [image] Ender 3 V2 - Linux Machine - NO MCU FOUND General Discussion Thanks for the response! This is the message i get, doesnt show klipper or anything. If it helps i can unplug it from dell and plug into laptop and it works right away. [image] …

What SBC are you using? A RasPi or what exactly and what OS is running on it? There are a lot of NO MCU FOUND topics around here.

RasPi 4b, im currently using windows 11

MCU problems installing klipper on S1 pro

General Discussion

LifeOfBrian September 8, 2023, 7:19am 15

Ok that sounds better.
Please check this post on another thread:

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MCU problems installing klipper on S1 pro

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