2 layers70 × 40 mm

Scale ltc6915
IoTReady/low-power-nrf52-weighing-scale
https://iotready.co/low-power-nrf52-weighing-scale/
76 parts7
KiCad boards from 2 GitHub repositories tagged “nrf”, the most starred first; open any of them in PCBKit.

IoTReady/low-power-nrf52-weighing-scale
https://iotready.co/low-power-nrf52-weighing-scale/

UPM-SPV/pcb
Coin-cell powered BLE weather station with nRF54L15. Measuring temperature, humidity, air quality, luminosity, and noise.