IoT based Home Automation with Prepaid Energy Meter

Note : Recharge using Internet

IoT-based Home Automation with Prepaid Energy Meter, a comprehensive solution designed to automate home appliances while effectively managing energy consumption. This system integrates NodeMCU ESP8266 for IoT connectivity and features a prepaid energy meter for efficient energy usage tracking and management.

Features:

• Utilizes NodeMCU ESP8266 for IoT connectivity, enabling remote control and monitoring of home appliances via a mobile app or web interface.
• Incorporates a relay module for switching power to connected appliances, allowing for remote operation and automation.
• Features a prepaid energy meter for tracking and managing energy consumption, promoting energy efficiency and cost savings.
• Includes an ACS712 current sensor for real-time monitoring of electrical current flow, enabling accurate energy usage measurement.
• Utilizes an LM7805 voltage regulator for stable power supply to the system, ensuring consistent performance.
• Equipped with a zero PCB and PC817 optocoupler for precise control and monitoring of electrical signals.
• Integrates a 16×2 LCD display for visual feedback on energy consumption and system status.
• Utilizes a potentiometer and LED for manual adjustment and visual indication of system parameters.
• Comes with connecting wire and AC bulb with holder for easy installation and testing.

Components:

• NodeMCU ESP8266
• Relay Module
• Transformer
• Diodes
• Capacitor
• ACS712 Current Sensor
• LM7805 Voltage Regulator
• Zero PCB
• Energy Meter
• LCD Display (16×2)
• Potentiometer
• PC817 Optocoupler
• LED
• Connecting Wire
• AC Bulb with Holder

Working:

1. The NodeMCU ESP8266 connects to the internet and communicates with a mobile app or web interface, allowing users to remotely control and monitor home appliances.
2. The relay module switches power to connected appliances based on commands received from the mobile app or web interface, enabling remote operation and automation.
3. The prepaid energy meter tracks and manages energy consumption, allowing users to monitor usage in real-time and recharge the meter as needed.
4. The ACS712 current sensor measures electrical current flow, providing accurate data on energy usage for effective management.
5. The LM7805 voltage regulator ensures stable power supply to the system, preventing voltage fluctuations and ensuring consistent performance.
6. The zero PCB and PC817 optocoupler are used for precise control and monitoring of electrical signals, enhancing system reliability and safety.
7. The 16×2 LCD display provides visual feedback on energy consumption and system status, allowing users to monitor usage at a glance.
8. The potentiometer and LED allow for manual adjustment and visual indication of system parameters, enhancing user control and experience.
9. Connecting wire and an AC bulb with a holder are provided for easy installation and testing of the system components.

Application:

• Home Automation: Enables remote control and automation of home appliances, enhancing convenience and comfort for users.
• Energy Management: Helps users track and manage energy consumption effectively, promoting energy efficiency and cost savings.
• Remote Monitoring: Allows users to monitor energy usage and appliance status remotely via a mobile app or web interface, providing peace of mind.
• Smart Grid Integration: Facilitates integration with smart grid systems for efficient energy distribution and management, contributing to a sustainable future.