LoRaWAN beehive monitor: hive weight, temperature and battery over TTN. Seeed XIAO nRF54LM20A + SX1262, Zephyr/nRF Connect SDK. ~4 uA sleep, ~10 year life on 3X AAA cell. Includes KiCad hardware and a Web Bluetooth config app.
iot embedded web-bluetooth kicad lorawan open-source-hardware low-power load-cell the-things-network beekeeping sx1262 battery-powered zephyr-rtos beehive-monitoring nrf-connect-sdk seeed-xiao nau7802 claude-code nrf54l precision-apiculture
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Updated
Sep 30, 2026 - HTML