While waiting for my Arduino Yun to arrive for my WiFi Christmas Tree project, I decided to complete as many software components as possible. I had already setup a local MQTT broker and bridge. Now I am planning to use my PC and Mac for all the music and sound generation. They will act as MQTT subscribers. I will be running Processing sketches on the PC. So I decided to setup MQTT Client Libraries on Processing.
As I mentioned in the Interactive WiFi Christmas Tree introduction, I am waiting for parts to arrive from element14. Meanwhile I started to set up my MQTT infrastructure. My initial plan was to use the sandboxed MQTT Broker available at iot.eclipse.org at port 1883. Then I decided to explore more about the MQTT Broker and wanted to setup a local MQTT Broker on my PC and use it as the MQTT gateway for all my needs. After further research i ended up choosing the mosquitto broker. Since the Mosquitto broker allows bridging, it should be possible for me to selectively choose “topics” to forward to one or more of sandboxes available on the internet.