2 layers51.8 × 53.6 mm

CatWAN Farmer
ElectronicCats/CatWAN_Farmer
CatWAN Farmer, a grower's water saving open source project with LoRa
53 parts7
KiCad boards from 2 GitHub repositories tagged “water”, the most starred first; open any of them in PCBKit.

ElectronicCats/CatWAN_Farmer
CatWAN Farmer, a grower's water saving open source project with LoRa

kinggh0stee/WellD
ESP32-C6 Zigbee well monitor — reads a 4–20 mA pressure transducer and DS18B20, reports water level, temperature, and battery to Zigbee2MQTT with OTA update support