IoT-Based Battery Management System (BMS) using Arduino

Description

IOT based Battery Monitoring System using Arduino, Voltage, Current, Temperature, Humidity, Wi-Fi

Introduction

Battery is the most essential component of any hardware Electronic Device. So proper management of the battery system is very necessary  to make it function properly and efficiently. An IoT-based battery management system (BMS) is a technology that uses the internet of things (IoT) to monitor and control batteries in various applications. This BMS consists of sensors, Arduino microcontroller, communication modules, and cloud-based servers that work together to collect data, analyze it, and optimize battery usage. The system allows for real-time managing and monitoring of the battery’s status, including its voltage, current, temperature, and state of charge, and provides early warning of potential battery failures with thingSpeak platform which gets all data from ESP8266 WiFi module. By using the data collected from the BMS, the system can optimize battery charging and discharging processes, extend battery life, and reduce maintenance costs.

🎯 Objectives:

1. To continuously monitor the battery’s voltage and current.
2. To track environmental parameters like temperature and humidity affecting battery performance.
3. To send real-time data to the cloud for remote monitoring.
4. To alert users about abnormal battery conditions (overvoltage, overcurrent, overheating).
5. To develop a low-cost, wireless, and efficient BMS for smart energy systems.

Block Diagram

Block Diagram: IoT-Based Battery Management System (BMS) using Arduino

Hardware Components

1. Arduino UNO/ microcontroller
2. Ultrasonic Sensor
3. Voltage Sensor
4. Current Sensor
5. DHT11 Sensor
6. Relay Module
7. ESP8266 Wifi Module
8. Power Supply
9. 12V Battery
10. 12V DC Fan
11. DC Motor
12. 4V Battery
13. 16×2 LCD

Software Used

1. Arduino IDE
2. Embedded C
3. Thingspeak Webserver

Methodology

The IoT-Based Battery Management System is developed using an Arduino UNO as the central microcontroller to track and regulate different parameters of a 12V rechargeable battery. The Arduino is interfaced with different sensors like a voltage sensor, current sensor, and DHT11 temperature sensor to measure the voltage of the battery, current flow, temperature and humidity at regular intervals. The data obtained is shown on a 16×2 LCD for real-time site monitoring. To avoid battery overheating or overcharging damage, a relay module is connected to a 12V DC fan which is controlled with Arduino microcontroller to  cool down the battery temperature. The system is also networked with the internet through an ESP8266 Wi-Fi module, which sends sensor data to an IoT platform for remote logging and monitoring. This allows users to view live battery status anywhere, ensuring safety, efficiency, and anticipatory maintenance. The whole installation is powered by the battery itself, with proper regulation to prevent power dips while the system is running. This approach gives us a balanced, safe, and connected battery management system applicable across different applications such as electric vehicles, renewable energy storage, and robotics etc.

KEYWORDS

IOT battery management system, Arduino bms project, smart bms using Arduino, voltage current monitoring iot, battery health tracker wifi, iot energy monitoring, wifi based battery management, temperature humidity battery monitoring, lithium battery IOT system,Arduino IoT battery management system, Arduino battery monitor ThingSpeak, smart battery cooling relay, ESP8266 battery monitor, low-cost BMS IoT, battery voltage current temperature display, Arduino ACS712 battery current sensor, DHT11 battery temperature control, battery management with LCD and relay, IoT battery data logger Arduino, Arduino Uno BMS solution, ThingSpeak battery monitoring project, battery cooling fan control Arduino, remote battery health monitoring IoT, Arduino battery pack protection system

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