2 layers53 × 45 mm

XIAO nRF54L15 V1
hmd83/tanen
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.
19 parts17Apache-2.0
KiCad boards from 2 GitHub repositories tagged “nau7802”, the most starred first; open any of them in PCBKit.

hmd83/tanen
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.

Boardoza/Boardoza_NAU7802_24bit_Dual_Channel_ADC_Breakout_Board
NAU7802 24-bit dual-channel ADC for high-precision load cell and sensor applications breakout board.