The Automatic Irrigation System with Arduino is designed to manage water supply efficiently based on soil moisture levels and scheduled irrigation times. A custom-designed PCB integrates key components such as relays, buttons for time setting, resistors, isolation components, and a DC jack for power supply.
Features of Automatic Irrigation System Project PCB Design:
Automated Watering
- The system automatically turns ON/OFF the water supply using two relays based on soil moisture readings and a predefined schedule.
Time-Based Irrigation
- The DS3231 RTC (Real-Time Clock) Module ensures irrigation occurs at scheduled times.
User-Configurable Time Settings
- Two push buttons allow the user to set or adjust irrigation start and stop times directly on the system.
Compact & Reliable PCB Design
- A custom PCB layout integrates all components, reducing external wiring complexity and improving system stability.
Arduino Nano for Processing
- The Arduino Nano processes time settings, sensor readings, and relay controls.
Circuit Protection & Isolation
- Resistors, diodes, and other isolation components protect the circuit from electrical faults and ensure reliable operation.
Power Supply via DC Jack
- A DC jack provides 5V power to the entire system.
Components used in Automatic Irrigation System Project PCB Design:
Arduino Nano – Microcontroller unit for processing data.
DS3231 RTC Module – Keeps track of time for scheduled irrigation.
Analog Soil Sensor Module – Measures soil moisture level.
Two Relays – Controls water pumps or solenoid valves.
Two Push Buttons – Allows users to set the irrigation schedule.
Resistors & Diodes – Provide electrical protection and signal stability.
Isolation Components – Ensure safe and noise-free operation.
DC Jack (5V Power Supply) – Powers the PCB.
Working Principle of Automatic Irrigation System:
Setting Irrigation Time
- The user sets the start and stop time for irrigation using the two push buttons.
- The system stores these values in the DS3231 RTC Module.
Automated Irrigation Process
- The Arduino Nano continuously monitors the RTC module for the preset time.
- When the scheduled irrigation time arrives, the relay is activated, turning on the water pump.
Soil Moisture Control
- The Analog Soil Sensor Module checks moisture levels.
- If the soil is already moist, the system skips irrigation, saving water.
Irrigation Completion
- The relay turns off after the set duration or when the desired soil moisture level is reached.
- The system waits for the next scheduled time or user input for adjustments.
Pictures of Automatic Irrigation System PCB Design:
Applications of Automatic Irrigation System:
Home Gardens & Greenhouses – Automates watering schedules.
Agricultural Fields – Enhances irrigation efficiency and water conservation.
Potted Plants & Nurseries – Ensures plants receive the right amount of water.
Smart Farming Systems – Ideal for IoT-based irrigation solutions.
Conclusion:
This Automatic Irrigation System with Arduino – PCB Design provides a smart and efficient way to manage irrigation, allowing users to set schedules while ensuring optimal soil moisture levels. Let me know if you need a PCB layout or Arduino code for this project
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