International Research Journal of Education and Technology

Water conservation and efficient irrigation are critical challenges in modern agriculture. This project presents a Smart Irrigation System using Node MCU  (ESP8266), which automates irrigation based on real-time soil moisture levels, weather conditions, and user preferences. The system integrates soil moisture sensors, temperature and humidity sensors (DHT11/DHT22), and a water pump, all controlled through the Node MCU microcontroller.

The Node MCU connects to a cloud-based IoT platform, enabling remote monitoring and control via a smartphone or web application. When the soil moisture drops below a predefined threshold, the system automatically activates the water pump, ensuring optimal water usage. Additionally, real-time weather data can be incorporated to prevent unnecessary irrigation during rainy conditions.

This smart irrigation system enhances water efficiency, reduces manual intervention, and supports sustainable farming practices. It is cost-effective, easy to implement, and suitable for both agricultural and home gardening applications.

KEYWORDS

   Smart Irrigation

   Node MCU (ESP8266)

   IoT (Internet of Things)

   Soil Moisture Sensor

   Automated Irrigation

   Water Conservation