Arduino SubPubClient(MQTT).

Clients for connecting to internet:

Sim900

Supports :

Publish(QOS0 and QOS1)
Subscriptions(QOS0 and QOS1)
QOS2 not supported due to restrictions memory wise on arduino

Follow the eclipse-arduino-setup-osx.md to be able to compile and deploy this project.

Settings should be adjusted according to your mqtt broker and your sim card provider in :

libraries/pubsubclient/pubsubconf.h

Currently only working with hardwareserial this should be set in :

libraries/pubsubclient/PubSubClient.cpp line16 (currently Serial2)

You can use the following link for testing purposes :

http://www.hivemq.com/demos/websocket-client/