Problem:

Greenhouses require precise control of temperature, humidity, and ventilation to optimize plant growth. Manual adjustments are error-prone, leading to overheating, mold growth, or inefficient energy use.

Benefits to Farmers:

– Energy Efficiency: Automates fans/heaters only when needed, reducing electricity bills.

– Optimal Growing Conditions: Maintains ideal climate for plant health.

– Labor Reduction: Eliminates manual monitoring and adjustments.

– Disease Prevention: Prevents mold by managing humidity.

Solution:

Use DHT11 sensors to monitor greenhouse temperature/humidity. Deploy servos to open/close vents and relays to control fans/heaters. ESP32 acts as the central controller.

Process:

1. Climate Monitoring:

– DHT11 sensors provide real-time temperature and humidity data.

2. Automated Adjustments:

– If temperature > threshold: Rotate servo to open vents + activate fans (via relay).

– If humidity < threshold: Activate misting system (via relay).

3. User Interface:

– OLED screens display current climate data.

– Relays can trigger alarms (e.g., red LED flashes) during critical failures.

Parts Used:

– ESP32, DHT11 (x5), Servos (x7), Relays (x5), OLED Screens (x4), Breadboards (x6).