When you want to connect an IoT device to anything (or, for that matter, anything to anything), you should take a serious look at Node-RED, a free, open source visual process wiring system from IBM ...
Not only did [Josh Kiepert] build a 33 Node Beowulf Cluster, but he made sure it looks impressive even if you don’t know what it is. That’s thanks to the power distribution PCBs he designed and etched ...