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altera2015 / usbserial

Flutter Android USB Serial plugin
BSD 3-Clause "New" or "Revised" License
121 stars 83 forks source link

Not an Serial device #23

Closed Richard-Choooou closed 4 years ago

Richard-Choooou commented 4 years ago

I connect a print device and run the example code then get the error, how can I fix it. thank!