Sending update through serial AT command does not update channel feed

Sending update through serial AT command does not update channel feed

August 16, 2018
5:42 am

rweiser

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August 16, 2018

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Hello,

I am trying to update the channel feed using the Arduino talking to the ESP8266 via AT commands. Everything seems to work fine but when I send the command

GET https://api.thingspeak.com/update?api_key=VB552XQVR6RDJ7ZM&field1=0

The serial monitor does not respond back after sending the command. If I send another command afterwards it responds as fail.

AT+CIPMUX=1

OK
AT+CIPSTART=0,"TCP","184.106.153.149",80
0,CONNECT

OK
AT+CIPSEND=0,77

OK
> CIPCLOSE=0

busy s...

Recv 77 bytes
0,CLOSED
SEND FAIL

August 16, 2018
11:30 am

cstapels

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March 7, 2017

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I'm counting 71 bytes in your message. I think your connection may fail because its waiting for you to send six more bytes that never come.
Try changing to AT+CIPSEND=0,71 or 72 and let us know what happens.

August 27, 2018
8:06 am

igorok

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August 27, 2018

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Yes, I count 67 chars + 4 = chr(13) + chr(10) + chr(13) + chr(10). This symbols must be at end of string. Another way the server dont undersand finish operation or wait for 77 bytes, but receive only 67.

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