The gardening system has three parts: the control system, the humidity sensor that measures the humidity content of the soil, and a separate irrigation mechanism that irrigates the plants as required. We will use low-power components for our system (other than the irrigation pump) so that we can run them 24/7 without worrying about energy costs and they will also give us the flexibility of powering our system with batteries.
Items required for the project
Waterproof junction box
You probably have a garden outdoors. You might want to keep your outdoor electronics near your garden as well; it will help to have a junction box that protects your electronics from rain and similar acts of nature. You can use hot-melt glue or quick...