2 layers

Arduino relay
bhaskar9980/Guardian
Guardian is an advanced, fully automated hydroponics system designed to optimize plant growth and maximize yield.
58 parts5MIT
KiCad boards from 1 GitHub repository tagged “automated”, the most starred first; open any of them in PCBKit.

bhaskar9980/Guardian
Guardian is an advanced, fully automated hydroponics system designed to optimize plant growth and maximize yield.