Project Components

• NodeMCU - Microcontroller for IoT data collection
• HW-103 Soil Moisture Sensor - Detects soil moisture level
• DHT22 Sensor - Measures temperature & humidity
• Relay Module - Controls water pump automatically
• OLED Display - Shows live sensor readings
• Ultrasonic Sensor - Optional water tank level monitoring
• LM393 LDR - Detects sunlight intensity
• Buzzer - Alerts for critical conditions