How to save and recieve String in thingspeak.com?
I know how to save data like(1,2,2.3,65.2). I was wondering if its possible to save and retrieve data like('AP09BN7886')(String) in thingspeak.com? I am sending data to thingspeak.com via esp8266 connected to my arduino UNO using AT commands. Can I also retrieve data from thingspeak.com using esp8266 in Arduino UNO?
The arduino examples from thingspeak.com on GitHub shows an example to handle string data via ethernet. This could be a perfect starting point for you. //... // Create HTTP POST Data tsData = "api_key="+thingtweetAPIKey+"&status="+tsData; client.print("POST /apps/thingtweet/1/statuses/update HTTP/1.1\n"); client.print("Host: api.thingspeak.com\n"); client.print("Connection: close\n"); client.print("Content-Type: application/x-www-form-urlencoded\n"); client.print("Content-Length: "); client.print(tsData.length()); client.print("\n\n"); client.print(tsData); //...
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