Serial communication works only one way
Posted: Tue Dec 02, 2014 11:47 amHi Guys,
I just received my ESP8266 module, the one with the 2*4 pin header on the side. I am also using a CP2102 based USB-serial dongle. Supplying the 3.3V from a separate power module.
When I power it up I can see the following message in Putty (9600bps 8N1):
This tells me that the serial communication is set up correctly. (Right?)
The wifi part is also, OK, I can connect to the wifi network it creates.
BUT: it doesn't respond to any AT command I send to it. The blue LED flashes as I type in the terminal window (Putty), but it wouldn't respond to it when I press Enter.
Any idea what could be wrong? Could it be a faulty module? Do I miss some special setting in Putty?
Any pointers are appreciated!!!
I just received my ESP8266 module, the one with the 2*4 pin header on the side. I am also using a CP2102 based USB-serial dongle. Supplying the 3.3V from a separate power module.
When I power it up I can see the following message in Putty (9600bps 8N1):
Code: Select all
[Vendor:www.ai-thinker.com Version:0.9.2.4]
readyThis tells me that the serial communication is set up correctly. (Right?)
The wifi part is also, OK, I can connect to the wifi network it creates.
BUT: it doesn't respond to any AT command I send to it. The blue LED flashes as I type in the terminal window (Putty), but it wouldn't respond to it when I press Enter.
Any idea what could be wrong? Could it be a faulty module? Do I miss some special setting in Putty?
Any pointers are appreciated!!!