Help trying to build a system for my green

Hey I’m trying to build a self watering it system with soil sensor to tell when Soil need water it’s for my greenhouse… and I’m trying to build Temperature and humidity controller that’s not it I’m to build ph water automatic adjuster but I’m trying to run it all in one app is there away i can do or can some one help me I have all the appliances???:grin::grin::grin::ok_hand:t6::ok_hand:t6::ok_hand:t6:

How good are your C++ coding skills?
What “appliances” have you decided to use for this project?
Do you have WiFi connectivity in your greenhouse?

Pete.