### 3.1. Overview of IoT Sensors
**Internet of Things (IoT) sensors** are devices that gather and transmit data over the internet, enabling real-time monitoring and control of various systems. In the context of irrigation management, IoT sensors play a pivotal role in optimizing water usage, enhancing crop health, and increasing agricultural productivity.
**Types of IoT Sensors in Irrigation:**
1. **Soil Moisture Sensors:** These sensors