How hard can it really be to make a sprinkler controller?
Turns out, its just some relays and valves.
- Raspberry Pi 3
- Relay Board: https://www.amazon.com/gp/product/B07Q2P9D7K/
- Power Supply: https://www.amazon.com/gp/product/B07C3J6PQX/
Cron job to run the python script.