Configuration Method

Notice

Please note that after using this method, you will not be able to use the accelerometer interface of mini pad to connect an external accelerometer.

• Open the BOOT disk and find armbianEnv.txt and open it
• Modify uart2 in overlays=usbhost2 usbhost3 uart2 to uart3 and save it

Wiring Method

• Please note that the TX of mini-pad should be connected to the RX of the mainboard with serial port firmware flashed
• Please note that the RX of mini-pad should be connected to the TX of the mainboard with serial port firmware flashed
• Please note that a common ground is required
• Otherwise, you cannot connect to the mainboard with serial port firmware flashed

Klipper Reference Configuration

[mcu]
serial: /dev/ttyS3
baud：250000
#   The baud rate used. Default is 250000
restart_method:command