Have you thought about using devices like the ESP8266? [1] You could probably work out a way to wire in the humidity sensor onto that, and scale it up via a pr

Have you thought about using devices like the ESP8266? [1] You could probably work out a way to wire in the humidity sensor onto that, and scale it up via a printed PCB. And instead of worrying about GETs, you can program the device to report in via MQTT to a central server. You likely know all this, just curious :) [1] https://www.sparkfun.com/products/13678 https://www.sparkfun.com/products/13678