[Mo Apr 19 20:46:33 2021] usb 2-1.1: new full-speed USB device number 12 using ehci-pci
[Mo Apr 19 20:46:33 2021] usb 2-1.1: New USB device found, idVendor=1a86, idProduct=7523, bcdDevice= 2.63
[Mo Apr 19 20:46:33 2021] usb 2-1.1: New USB device strings: Mfr=0, Product=2, SerialNumber=0
[Mo Apr 19 20:46:33 2021] usb 2-1.1: Product: USB2.0-Serial
[Mo Apr 19 20:46:33 2021] ch341 2-1.1:1.0: ch341-uart converter detected
[Mo Apr 19 20:46:33 2021] usb 2-1.1: ch341_control_in - (5f,0000,0000,2)
[Mo Apr 19 20:46:33 2021] usb 2-1.1: Chip version: 0x31
[Mo Apr 19 20:46:33 2021] usb 2-1.1: ch341_control_out - (a1,0000,0000)
[Mo Apr 19 20:46:33 2021] usb 2-1.1: ch341_control_out - (9a,1312,b282)
[Mo Apr 19 20:46:33 2021] usb 2-1.1: ch341_control_out - (9a,2518,00c3)
[Mo Apr 19 20:46:33 2021] usb 2-1.1: ch341_control_out - (a4,ffff,0000)
[Mo Apr 19 20:46:33 2021] usb 2-1.1: ch341-uart converter now attached to ttyUSB0