A sample project for Arduino Uno using the Adafruit RFM9X breakout and a Neptune Controls RH101-A humidity sensor.
It requires the Radiohead library and wiring described on this Adafruit page: https://learn.adafruit.com/adafruit-rfm69hcw-and-rfm96-rfm95-rfm98-lora-packet-padio-breakouts/rfm9x-test