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আরডুইনো ব্যবহারকারীরা জীবনদশায় Serial লাইব্রেরী সবচেয়ে বেশি ব্যবহার করে থাকে। কিন্তু কেন? এবং ঠিক কোন কোন ক্ষেত্রে Library টি তোমার জন্যও প্রয়োজন হতে পারে? বিষয় গুলো নিয়ে আমরা বিস্তারিত আলোচনা করবো আজকের টিউটরিয়্যালে। আশাকরি মনোযোগ দিয়ে পড়লে, Serial Library’র প্রয়োজনীয়তা এবং ব্যবহার সম্পর্কে তুমি একটি স্পষ্ট ধারণা পেয়ে যাবে।

Automatic Irrigation System using Arduino Uno

 

🌱 Automatic Irrigation System Using Arduino Uno

Efficient water management is crucial for sustainable agriculture and gardening. In this project, we’ll build a simple but effective automatic irrigation system using an Arduino Uno, a soil moisture sensor, and a water pump.

This system waters your plants only when they need it, saving water and ensuring healthy growth.


🔧 Components Required

Component Quantity
Arduino Uno 1
Soil Moisture Sensor 1
Relay Module (5V) 1
Water Pump (DC) 1
Jumper Wires As needed
Breadboard 1
12V Battery or Power Supply 1

⚙️ Working Principle

The soil moisture sensor detects the moisture level in the soil:

  • If the soil is dry, the Arduino turns on the relay, which powers the water pump.
  • If the soil is wet, the pump stays off.

🔌 Circuit Connections

Soil Moisture Sensor:

  • VCC → 5V (Arduino)
  • GND → GND (Arduino)
  • AO → A0 (Arduino)

Relay Module:

  • IN → D7 (Arduino)
  • VCC → 5V (Arduino)
  • GND → GND (Arduino)

Water Pump:

  • Connected to relay output (NO and COM terminals)
  • Power the pump using external 12V battery (not directly from Arduino)

/*💻 Arduino Code


📸 Demo

You can include a video or photo showing:

  • The soil drying
  • The pump turning on automatically
  • Water being poured into the soil
  • Pump turning off once the soil is moist

⚠️ Precautions

  • Use a transistor or relay module to switch the pump, never drive a motor directly from the Arduino.
  • Make sure the pump’s power source is appropriate for its voltage.
  • Protect the soil sensor from corrosion by using capacitive types for long-term projects.

🌾 Applications

  • Home garden automation
  • Smart farming for small fields
  • IoT-based agriculture systems (you can expand with GSM or Wi-Fi modules)

🔄 Future Improvements

  • Add an LCD display to show moisture level.
  • Use Wi-Fi (ESP8266) or GSM to control it remotely.
  • Implement solar power for fully off-grid usage.

 

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