International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 11 Issue: 02 | Feb 2024
p-ISSN: 2395-0072
www.irjet.net
Wireless Arduino Control via Mobile: Eliminating the Need for a Dedicated Wireless Communicator, Leveraging Laptop Connectivity Sumit Chowdhury1 1Student, Department of Electronics & Tele-Communication Engineering, National Institute of Electronics &
Information Technology Agartala, Tripura, India ---------------------------------------------------------------------***---------------------------------------------------------------------
the Arduino through a serial connection. This approach not only reduces costs associated with additional hardware but also circumvents potential space constraints, making it a practical and efficient solution for enabling wireless control in Arduino prototypes. The script's ability to unify software and hardware components underscores its significance in simplifying and optimizing the wireless communication aspect of Arduino projects, particularly in scenarios where a lightweight and economical solution is desirable.
Abstract – In this paper we will study how we can establish
wi-fi connectivity with Arduino to control its behavior without using the dedicated hardware module like (ESP8266, ESP32) The aim of this project is to create a bridge between the Arduino and smart phone over wi-fi for triggering the Arduino pins. The bridge will be the combination of software and hardware (laptop for this case), the software is a simple python script acts as a communication bridge between a mobile device and an Arduino via a laptop, facilitating wireless control of the Arduino through the mobile device by relaying commands and responses over a serial connection.
2. THE PYTHON SCRIPT The provided Python script orchestrates a comprehensive communication framework, establishing a bridge between a mobile device and an Arduino through the intermediary of a laptop. At its core, the script leverages the `serial` module to initialize a serial connection with the Arduino, thereby establishing a conduit for two-way data exchange. Concurrently, a socket server is instantiated utilizing the `socket` module, with an assigned IP address and port, fostering a platform for wireless communication between the laptop and the mobile device.
Key Words: Wi-fi, Arduino, Python, Script, Serial connection 1. INTRODUCTION The Arduino Uno, built around the ATmega328P microcontroller, is a widely adopted open-source platform recognized for its simplicity, versatility, and robustness. With an accessible user interface provided by the Arduino IDE and a rich set of I/O pins, it serves as a foundational tool for prototyping and developing diverse embedded systems and IoT applications. Its popularity stems from its ease of use, making it a cornerstone in microcontroller-based development for both educational and professional purposes.
The script unfolds within a nested loop structure, with the outer loop persistently awaiting incoming connections. Upon connection establishment, the script seamlessly transitions into an inner loop designed to continuously manage the exchange of data. Incoming data from the mobile device undergoes processing within the script before being dispatched to the Arduino through the established serial connection. The reciprocal journey of data involves the Arduino generating a response, which is subsequently transmitted back to the mobile device.
The ESP8266 was introduced in 2014, and the ESP32 followed later in 2016. Despite their advanced features, these modules may have cost disadvantages and be unsuitable for simple prototypes due to additional expenses and space requirements. However, these challenges can be addressed by utilizing software-based wireless control, offering a cost-effective and space-efficient alternative for basic Arduino projects.
A pivotal feature of the script lies in its adept management of connections. The inner loop gracefully terminates when no further data is received, effectively signaling the completion of a data exchange cycle. Subsequently, the connection is closed, and the outer loop recommences its vigilant stance, anticipating new incoming connections.
Now in order to implement software based wireless control we used a python script which will plays a pivotal role in implementing a software-based wireless control system for Arduino projects. Rather than relying on dedicated wireless hardware modules such as the ESP8266 or ESP32, the script leverages the laptop's connectivity to establish a communication link with a mobile device. Operating as a bridge, the script facilitates the seamless exchange of commands and responses between the mobile device and
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In essence, this script embodies a sophisticated yet accessible framework, enabling seamless and wireless control of the Arduino from a mobile device through the intermediation of a laptop. The convergence of serial communication with the Arduino and socket networking within a Python environment underscores the script's capacity to harmonize hardware
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