pi 2 - Controlling a water valve - Raspberry Pi Stack Exchange
Amazon.com: CQRobot Ocean: Contact Water/Liquid Level Sensor Compatible with Raspberry Pi/Arduino. for Automatic Irrigation Systems, Aquariums, Plants, in The Garden, in Agriculture etc. : Industrial & Scientific
Controlling a Solenoid with Raspberry Pi and a Relay - Tutorial Australia
Plastic Water Solenoid Valve - 12V - 1/2" Nominal | The Pi Hut
CatWrangler Project
2.6 Smart Water Tank — SunFounder Euler Kit for Raspberry Pi Pico 1.0 documentation