Hydrochip - ESP32 Plant Monitoring System

An automated plant monitoring and watering system using ESP32, moisture sensors, and DHT11 temperature/humidity sensor. The system connects to Blynk IoT platform for remote monitoring and control.

Features

• Soil moisture monitoring
• Temperature and humidity monitoring
• Automated watering system
• Remote control via Blynk app
• OTA (Over-The-Air) updates support

Hardware Requirements

• ESP32 Development Board
• Soil Moisture Sensor
• DHT11 Temperature/Humidity Sensor
• Water Pump
• Relay Module
• Power Supply

Software Setup (Windows)

1. Install Visual Studio Code

1. Download VSCode from https://code.visualstudio.com/
2. Run the installer and follow the installation wizard
3. Launch VSCode after installation

2. Install Git

1. Download Git from https://git-scm.com/download/win
2. Run the installer and use the default settings
3. Open Command Prompt or PowerShell to verify installation:

   git --version
   

3. Clone the Repository

1. Open Command Prompt or PowerShell
2. Navigate to your desired directory
3. Clone the repository:

   git clone https://github.com/yourusername/hydrochip.git
   

4. Open the project in VSCode:

   code hydrochip
   

4. Install PlatformIO Extension

1. Open VSCode
2. Click on the Extensions icon in the left sidebar (or press Ctrl+Shift+X)
3. Search for "PlatformIO IDE"
4. Click "Install"
5. Wait for the installation to complete and reload VSCode when prompted

5. Find ESP32 COM Port

1. Connect your ESP32 to your computer via USB
2. Open Device Manager (Right-click Start → Device Manager)
3. Expand "Ports (COM & LPT)"
4. Look for "Silicon Labs CP210x USB to UART Bridge (COM X)" or similar
5. Note the COM port number (e.g., COM3)

6. Configure platformio.ini

1. Open your project in VSCode
2. Locate the platformio.ini file
3. Update the following lines:
   • upload_port = COMX ; Replace X with your COM port number
   • monitor_port = COMX ; Replace X with your COM port number

7. Configure WiFi Settings

1. Open src/main.ino
2. Locate these lines near the top:
   • #define WF_SSID "OPPO_8E9986_2.4G" // Replace with your WiFi name
   • #define PASS "UEPFE4Vd" // Replace with your WiFi password
3. Replace the placeholder values with your actual WiFi credentials

Building and Uploading

1. Open the project in VSCode
2. Click the PlatformIO icon in the left sidebar
3. Under "Project Tasks", expand "esp32doit-devkit-v1"
4. Click "Build" to compile the project
5. Click "Upload" to flash the ESP32