🌿 Mini Farm Project (C++ / ESP32)

A DIY smart mini farm using ESP32, designed for home gardening and submitted as a university assignment in Year 2, Semester 1. The system automates plant watering and lighting based on real-time sensor data and supports IoT integration with Blynk, Google Sheets, and LINE Notify.

This project was developed as part of a university assignment in Year 2, Semester 1.

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📦 Project Summary

This project monitors various environmental parameters such as temperature, humidity, soil moisture, and light intensity. It controls actuators like a water pump and plant LED light through a relay module and allows remote control and monitoring via a smartphone app.

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🚀 Features

• 🌡️ Real-time air temperature & humidity monitoring
• 🌱 Soil moisture level detection and automatic watering
• 💡 Light-dependent plant LED activation
• ⏲️ Scheduled pump/light control via Blynk App
• 📲 Remote monitoring and control using Blynk
• 📊 Sensor data logging to Google Sheets
• 🔔 LINE Notify integration for alerts
• 🌍 Based on ESP32 NodeMCU, programmable via Arduino IDE
• 📱 Mobile app interface via Blynk

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🧪 Inputs (Sensors)

Sensor Module	Description
🌡️ DHT22 (AM2302)	Measures air temperature and humidity
🌱 Soil Moisture Sensor	Detects soil wetness levels
💡 Photoresistor (LDR)	Detects ambient light intensity

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⚙️ Outputs (Actuators)

Actuator	Function
💧 Mini DC Water Pump	Irrigates the plant when soil is dry
🌞 LED Light for Plants	Provides light when ambient light is low

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🔌 Relay Control

• Relay Module (2 Channel, 5V, Active LOW) to switch:
  • 💧 Water Pump
  • 🌞 Plant LED Light

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🔋 Microcontroller Board

• ESP32 NodeMCU (ESP-WROOM-32)
  Used to read sensor data, control relays, and communicate with IoT services.

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📲 IoT Integration

Platform	Purpose
📱 Blynk App	Remote monitoring and control interface
📊 Google Sheets	Logging sensor data in real-time
🔔 LINE Notify	Sends real-time notifications/alerts

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🎓 Academic Context

This project was developed as part of a home automation assignment in university. It combines embedded systems, real-world sensor/actuator control, and cloud-based IoT integration using modern tools.

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📸 Screenshots & Diagrams

Main Screen	Timersetting Screen	LINE Notification

Real Image 1	Real Image 2	Real Image 3	Real Image 4	Real Image 5

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