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 GMC320plus V5 WLAN password		  New Topic  Reply to Topic
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ulla315

2 Posts
Posted - 11/25/2019 :  01:52:42  Show Profile  Reply with Quote
Hi there,
is it possible to enter wifi passwords longer than 16 chars in the device?
My wifi key has 22 chars.

Best regards and thanks in advance
Martin
Reply #1

EmfDev

2250 Posts
Posted - 11/25/2019 :  10:35:14  Show Profile  Reply with Quote
Hi ulla315, it's impossible for the 320+V5 to support more than 16chars wifi key.
But there might be a workaround if you send AT commands.
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Reply #2

ulla315

2 Posts
Posted - 11/27/2019 :  05:03:26  Show Profile  Reply with Quote
Hi EmfDev,

I did some tests and found the ESP8266 AT version @1.2.0.0

---
AT version:1.2.0.0(Jul 1 2016 20:04:45)
SDK version:1.5.4.1(39cb9a32)
Ai-Thinker Technology Co. Ltd.
Dec 2 2016 14:21:16
---

This one unfortunately is not responding to <AT+CWJAP...>>, <AT+CWJAP_CUR...>> aso.

Do you have any idea which commands apply to 1.2.0?

Or is it possible to update the firmware of the ESP (without opening the case)?

Best regards
Ulla
Edited by - ulla315 on 11/27/2019 05:06:01
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Reply #3

EmfDev

2250 Posts
Posted - 11/27/2019 :  10:32:41  Show Profile  Reply with Quote
It should be the standard at command like
<AT+CWJAP="USERNAME","PASSWORD">>

Anyway when you enter a command you need to start it when '<' and end it with '>>' like the one above.

Try this
https://www.espressif.com/sites/default/files/documentation/4b-esp8266_at_command_examples_en.pdf

Anyway when you use at command on the unit to connect, it won't still send data online because the variable is not set. So you need to connect the to wifi first using <= 16 char password to toggle the variable. Then you can disconnect then connect with the long password using AT command.
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