Learn how to build a Raspberry Pi Zero plant watering system with a resistive moisture sensor, solenoid valve, and relay HAT in this comprehensive tutorial video. Explore the hardware setup, test the moisture sensor and solenoid valve, and implement a complete watering system. Discover how to integrate a camera for time-lapse recording of plant growth. Follow along as the system is tested and deployed in a real-world setting. Gain insights into the practical application of Raspberry Pi for automated plant care and biological monitoring.