Http post json to thingspeak from Arduino using GPRS via GSM module

Question

Shivani 2023-1-7

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1889982-http-post-json-to-thingspeak-from-arduino-using-gprs-via-gsm-module

评论： Christopher Stapels 2023-5-25

HTTPOST_Error3822.PNG

I need to send bulk data from my arduino device via Quectel M66 GSM module. I succedded sending data using the GET method but for bulk data I am trying to json data using POST method. But after establishing the connection when I post the data I get an error. I am following examples on this page https://in.mathworks.com/help/thingspeak/bulkwritejsondata.html

The problem is the GSM module sends module specific error code and does not speficy the 40x or 50x error. So I am not able to pinpoint the error. I am attaching the commands sent by my device. Please guide.

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AirQo Data 2023-5-24

I can make a bulk post is similar structure but upto 5 entries. The server returns error when more than 5 entries are made. Interesting thing is all works well if i use a client class embedded library like tinyGSM

Christopher Stapels 2023-5-25

What do you mean by "use a client class embedded library like tinyGSM". And does that mean you aren't limited by 5 entries if you use this other library?

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