To send data to thingspeak you can write this on adrees bar: https://api.thingspeak.com/update?api_key=CTRBIYTTYTAJB31G&field1=5 With arduino you can do it like this(full example here ): byte sd = stash.create(); stash.print("temp="); stash.print(value); // temp value stash.save();…

Send data to server with EtherCard library.

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