Lex KravitzRAD2 has onboard datalogging capabilities, so it can be used as a very low power device. However, it is often convenient to access data in real-time. As RAD2 is Feather compatible, it can be used with any WIFI, BLE or other wireless Feather.
We have been using it with the MCCI 4610, a Feather compatible LoRaWan radio board.
We send the data from each device to the Things Network through a gateway, where it is stored in an InfluxDB database, queried by NodeRed, and visualized with Grafana. Instructions on how this works are here.
Example interactive dashboard can be found at www.mouserat.org:
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