Sending data to Thingspeak with GPRS

[keejay]

Hi guys,

I'm trying to use a SIM800L module to send data to Thingspeak. Looks like the unit has successfully connected to a GPRS connection etc. The issue that I seem to be having is the syntax using the GET command to send a data value to Thingspeak. I'm using the "SendCommand" component macro as follows to send the strings below once the connection has been established:

"AT+CIPSEND\r\n"

then

"GET https://api.thingspeak.com/update?key=X ... 25\r\n\r\n" -> XXXXX is where my key would be

But nothuing arrives on the Thingspeak website. All the fields are correct because when I insert the GET string into my web browser the value appears on Thingspeak. It may be that the modem is waiting for a Ctrl-Z character to indicate that the string is complete and needs to be sent, but I'm not sure?

Any suggestions?

[Benj]

You might need to include the Host section of the GET message?

e.g.

GET /pub/WWW/TheProject.html HTTP/1.1
Host: http://www.w3.org

You might be able to do some testing using this website.
https://www.hurl.it/

[LeighM]

You also likely need to enable SSL
Try searching SIM800L https