Quantity   Component name
1 × Rain Barrel with spigot
2 × 5v submersible pump One for each container
1 × Raspberry Pi Pico W
1 × 5v power supply To power the Pico and everything but the motorized ball-valve
1 × 12v power supply To power the motorized ball-valve
2 × Chirp soil moisture sensors One for each container
1 × Waterproof container To protect all the electronics from the elements
1 × 5-gallon bucket For the water reservoir
2 × Side-mount float switchs Detect water level in the reservoir
3 × Relays One for each pump + one for the motorized ball-valve
1 × 1/4" soaker hose
1 × Misc. hoses, wires and connectors