Complete Arduino soil moisture sensor tutorial with circuit diagrams, working code, troubleshooting tips and project ideas. Learn wiring, calibration & build automatic watering systems.
![Capacitive soil moisture sensor v1.2 Arduino code [Step by step instructions]](https://i.pinimg.com/originals/32/03/94/3203947aac4c9054f1dc7cb74f436d6d.jpg)
![Capacitive soil moisture sensor v1.2 Arduino code [Step by step instructions]](https://i.pinimg.com/originals/00/04/18/00041893f5b5d33a3c2ab67a5e190439.jpg)
