ESP8266 Community Forum

- Fri Apr 29, 2016 2:30 pm #46505 dmesg | grep tty
usb 6-2: cp210x converter now attached to ttyUSB0


then I started Putty
Putty configuration
/dev/ttyUSB0 baud:9600

connect (open)

But it complains unable to open serial port

- Fri Apr 29, 2016 5:24 pm #46518 You seems to be on Linux, check the permission of the port, especially the group, probably 'dialout', maybe you are not member of that group.

- Sun May 01, 2016 3:55 pm #46643 OK, after some tweaking it finally outputted something.
Is that from the CP210X or ESP8266 module?

so what should I try next.

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- Mon May 02, 2016 8:59 pm #46741 My ESP-01 baud rate is 115200.