This looks like you are constructing the data to be sent as GET parameters (i.e as part of the querystring), whereas I believe dweet.io expects them as part of the POST body - as seen here.
There seem to be many people struggling to successfully send HTTP POSTs with a SIM900, but I think this answer outlines the correct sequence to make it work this answer outlines the correct sequence to make it work.
This looks like you are constructing the data to be sent as GET parameters (i.e as part of the querystring), whereas I believe dweet.io expects them as part of the POST body - as seen here.
There seem to be many people struggling to successfully send HTTP POSTs with a SIM900, but I think this answer outlines the correct sequence to make it work.
This looks like you are constructing the data to be sent as GET parameters (i.e as part of the querystring), whereas I believe dweet.io expects them as part of the POST body - as seen here.
There seem to be many people struggling to successfully send HTTP POSTs with a SIM900, but I think this answer outlines the correct sequence to make it work.
This looks like you are constructing the data to be sent as GET parameters (i.e as part of the querystring), whereas I believe dweet.io expects them as part of the POST body - as seen here.
There seem to be many people struggling to successfully send HTTP POSTs with a SIM900, but I think this answer outlines the correct sequence to make it work.