To develop a Crop Health Advisor system that monitors critical soil and environmental parameters using various sensors and transmits the data wirelessly to a cloud platform for analysis and advisory. This system aims to help farmers maintain optimal conditions for crop growth.
Agriculture is a critical sector that requires constant monitoring and management to ensure optimal crop health and yield. Traditional methods of monitoring crop conditions are labor-intensive and often lack real-time data, leading to inefficiencies and potential crop loss. This project, the Crop Health Advisor Project, leverages modern technology to automate the monitoring process and provide real-time data to farmers, thereby enhancing agricultural productivity and sustainability.


Component Required:
NodeMCU (ESP8266): Microcontroller for processing and wireless communication.
pH Sensor: For measuring soil pH levels.
Soil Moisture Sensor: For detecting soil moisture content.
Rainfall Sensor: For detecting rainfall presence.
DHT22: For measuring environmental humidity and temperature.
LDR: For measuring light intensity.
Breadboard and Connecting Wires: For prototyping and connections.
Power Supply: Batteries and solar panels for sustainable power.
Components and Functionality:
pH Sensor
Purpose: Measures the pH value of the soil to determine its acidity or alkalinity.
Operation: The pH sensor provides real-time data on the soil’s pH level.
Soil Moisture Sensor
Purpose: Measures the moisture content of the soil.
Operation: The sensor detects the water content in the soil, ensuring optimal watering.
Rainfall Sensor
Purpose: Detects the presence and intensity of rainfall.
Operation: Indicates whether it is raining, helping in irrigation planning.
Humidity and Temperature Sensor (DHT22)
Purpose: Measures environmental humidity and temperature.
Operation: Provides real-time data on air humidity and temperature, crucial for crop health.
Light Dependent Resistor (LDR)
Purpose: Measures the light intensity.
Operation: Helps determine the amount of light available to the crops.
NodeMCU ESP32
Purpose: Collects data from all sensors and transmits it to a cloud platform.
Operation: Handles data acquisition and wireless communication.
Circuit Diagram is given below:


Implementation Notes
WiFi Connection: Ensure your WiFi credentials are correct and that the NodeMCU is within range of the WiFi network.
Sensor Calibration: Calibrate the sensors according to the manufacturer’s instructions to get accurate readings.
Server Setup: Replace http://your-server.com/update with the actual URL of your server or cloud platform where the data will be sent.
Power Supply: Ensure that the NodeMCU and sensors are supplied with appropriate power, typically 3.3V for the NodeMCU and most sensors.
Contact us at:

STEMROBO Technologies Private Limited

Toll Free: 1800-120-500-400

Email: [email protected]

Website: www.stemrobo.com