Serial Access

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[84653.134610] usb 6-1: new full-speed USB device number 2 using uhci_hcd

[84653.497695] usb 6-1: New USB device found, idVendor=1a86, idProduct=7523, bcdDevice= 2.63[84653.497702] usb 6-1: New USB device strings: Mfr=0, Product=2, SerialNumber=0[84653.497706] usb 6-1: Product: USB2.0-Serial[84653.570636] usbcore: registered new interface driver ch341[84653.570662] usbserial: USB Serial support registered for ch341-uart[84653.570685] ch341 6-1:1.0: ch341-uart converter detected[84653.577135] usb 6-1: ch341-uart converter now attached to ttyUSB0[97870.746998] usb 6-1: USB disconnect, device number 2[97870.749298] ch341-uart ttyUSB0: ch341-uart converter now disconnected from ttyUSB0[97870.749318] ch341 6-1:1.0: device disconnected[97877.310129] usb 6-1: new full-speed USB device number 3 using uhci_hcd[97877.473170] usb 6-1: New USB device found, idVendor=1a86, idProduct=7523, bcdDevice= 2.63[97877.473176] usb 6-1: New USB device strings: Mfr=0, Product=2, SerialNumber=0[97877.473180] usb 6-1: Product: USB2.0-Serial[97877.475282] ch341 6-1:1.0: ch341-uart converter detected[97877.480496] usb 6-1: ch341-uart converter now attached to ttyUSB0

screen /dev/ttyUSB0 115200

you may see permission doors then add user to dialout group

user mod -a -G dialout allen

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