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  • Two things.

    1) Helping a teacher friend write some guides for his kids to build a lorawan network of various environmental sensors at their school.

    2) Building a few prototypes for a glaciologist friend who is looking to cut the cost and increase the battery life and reliability of his currently WiFi enabled sensors that tend to die after one winter.

  • Those modules you mentioned, they have LoRa & wifi on the one module? What's the use case for that? If it's to be used as gateway then wouldn't you rather a wired connection?

  • Yes, WiFi, oled display and lora onboard. For the purposes of my test, the remote transmitting node has WiFi and oled disabled and wakes from deep sleep every fifteen minutes to send a reading to another Dev board which I have coded to act as a simple gateway. Ie just pushes the contents of received packets straight to thingspeak. Just tested it out to 2km with only quarter wave wire antennas.

    Wired is not an option as transmission range is in the kilometers and across terrain that cannot be cabled (crevasses, avalanches etc)

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