SKR 1.4 klipper NO MCU FOUND!

General Discussion
21

Issue a ls -al command. This should display the file. Navigate in WinSCP there and get it.

23

dmesg.txt (29.5 KB)

24

Did you follow:

The posted dmesg.txt shows no sign of a connected printer board. Neither correctly flashed with Klipper nor otherwise (and this is independent of the ordeal we just went through)

25

I am powering the skr1.4 over usb.(idk if it makes a difference)When i connect the skr with the raspi4,it turns on,and yes i did follow the sequence.Tonight i will try to flash the firmware.bin file again.Is my menuconfig right?If it wont work,i want to try to install the klipper without kiauh and if it wont work again,i can try UART connection,and if it wont work i might crush the skr board.

26

The USB port is only for communication. What you see is backpowering - and that is not wanted. The printer board needs way more power than the USB port can deliver.

The SKR ha to be powered by the high power connectors with it’s own PSU. Connected to DCIN

BTT-SKR-1-4-Turbo-32-Bit-Mainboard-4
BTT-SKR-1-4-Turbo-32-Bit-Mainboard-4921×678 202 KB

27

I will try to power it from VDD with changing the jumper connection and flash/try to connect via usb and will post the dmesg txt file in case of error.