Quantity   Component name
1 × Raspberry Pi Any model except pico
1 × Relay 4 Zero 3V 4 Channel Relay Shield for Raspberry Pi Relay hat to turn on/off ball valve (only one relay used)
1 × Motorized Ball Valve- 1/2" Brass Ball Valve 9-24V AC/DC and 2 Wire Auto Return Setup, sold by U.S. Solid
1 × Flow Meter Hall Effect Sensor Plastic 1/2" NPS Threaded, sold by Uniquers Liquid
1 × Water Pressure Diaphragm Pump, 12v SEAFLO 42-Series, sold by SEAFLO
1 × 12v car or motorcycle battery
1 × 25 Watt Solar Panel Sold by Harbor Freight
1 × 15W DC/DC buck converter 12v to 5v, 3A max