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Does IoT Require Coding?

  • July 14, 2023
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Meet the Author : Mr. Bharani Kumar

Bharani Kumar Depuru is a well known IT personality from Hyderabad. He is the Founder and Director of Innodatatics Pvt Ltd and 360DigiTMG. Bharani Kumar is an IIT and ISB alumni with more than 18+ years of experience, he held prominent positions in the IT elites like HSBC, ITC Infotech, Infosys, and Deloitte. He is a prevalent IT consultant specializing in Industrial Revolution 4.0 implementation, Data Analytics practice setup, Artificial Intelligence, Big Data Analytics, Industrial IoT, Business Intelligence and Business Management. Bharani Kumar is also the chief trainer at 360DigiTMG with more than Ten years of experience and has been making the IT transition journey easy for his students. 360DigiTMG is at the forefront of delivering quality education, thereby bridging the gap between academia and industry.

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The Internet of Things (IoT) is a topic that is increasingly popular in today's society, and it is clear from its popularity that it will continue to expand in the future. This is a result of people's current desire to purchase things that boost their comfort. People are investigating IoT extremely fast because they believe it will have a promising future for them. IoT devices are constructed from a variety of parts. IoT devices employ software that is written in a programming language and contains instructions for them. To create a network, coding is needed. An IoT device's frontend and backend are both programmed. You cannot consider IoT without code. You will learn about the coding languages needed for the Internet of Things in this post. These programming languages should be understood in order to become an expert in IoT.

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Coding Languages used in IoT:

IoT uses many programming languages to make a successful module. The devices are just the hardware that needs software to operate that has instructions in it. The following languages are used in IoT to instruct the module for a particular task. And every language has its worth and achievement in IoT.

  • Java
  • Python
  • C++
  • C
  • GO

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  • Java and IoT:

    Java is a flexible and adaptable language that works well with the Internet of Things. Therefore, while creating the modules for their projects, the majority of IoT developers start with Java. If you have experience with computers, you must be familiar with Java's functionality. IoT is finding its built-in characteristics to be highly beneficial. Any computer can execute Java-written code independently. The code may be transferred to the chip of a new IoT device with just a few minor changes made by the developers to the earlier code. Java code may be executed both in the cloud and on the edge. But because its programmes are extensive and hefty, it requires more powerful resources.

    • Smart meters
    • mHealth
    • Industrial automation solutions
    • Fleet management systems
    • Embedded applications
  • Python and IoT:

    When developing a data-intensive IoT application, Python is employed. When IoT developers need to work on a full-fledged local data processing centre, this will be a superior option. They apply it to simple data applications, push analytics to the limit, and include data science. The majority of its apps are cloud-based. The following IoT applications use it.

    • Mara:

      This is a Python-compatible library skeleton. All devices may utilise this library. Therefore, using distinct libraries for Edison and Pi is not necessary. A service for communication protocols is offered.


      It is a package that provides network services using python.

    • MySQL:

      This is a small tool that uses python scripts to excuse shell commands for reading or writing a database.

    • MQTT:

      It is a protocol that is specifically developed for IoT. In this protocol, you can directly request within python with extra settings.

  • C/C++ and IoT:

    C/C++ supports small devices with limited memory and processing capacity. For tiny IoT devices, this may be the best option. Programmes written in C/C++ are the best for firmware devices since they can only run the optimised code on RAM. C/C++ coding is also utilised to create the microcontrollers used in IoT devices. However, you must study these languages extremely carefully because a small mistake might prevent your code from running. So you might say that if you work on devices that require little computation and can run straight off RAM, you must become an expert in C/C++.

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    • Edge computing
    • Gateways, hubs
    • Game and game engine development
    • Embedded systems
    • Microcontrollers
    • Coherent solution development
  • GO:

    GO is also a coding language that is becoming popular in IoT day by day. It is beneficial in IoT for the following:

    • This language has not many features but it is still being used in small devices that used optimized code and less computing power. This code is a good choice for devices that have limited memory space.
    • GO is very suitable for the communication layer where multiple data streams require routing at the same time. This is a lightweight language that allows multiple data streams to process concurrently.
    • This language has multiple tools that are required for working in an IoT environment, like debugging, testing, and analyzing tools.

Things that need to be considered for the coding of an IoT device:

You must now be aware based on the information above that coding is necessary for IoT. It is necessary for all IoT modules, including creating a user interface, constructing a network, and creating cloud storage to house the enormous amounts of data created by IoT devices.

  • Hardware:

    You need to choose a language that can work best with your hardware. Like if you have a small device that uses less power and memory then you should pick C/C++ as a coding tool. But if you are working on a big project like the devices that have increased computing power and memory then you should use Java and Python as they are the best choices here.

  • Speed:

    Python is the greatest prototyping language and offers rapid results if you are working on a project that requires you to create quick prototypes. Python is therefore best used in situations when quick work is necessary.

    Development cost:

    Python demands more expensive hardware; hence the development costs were quite worthwhile. Contrarily, C/C++ may run on modest and affordable hardware. Therefore, you should choose Java or Python if you have a large budget and can buy costly hardware; otherwise, you can use C/C++.


    You must keep an eye that which tools are available for you to use before choosing a programming language. Open-source languages like Swift and PHP can be best in this situation.

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Without code, an IoT device cannot be envisaged. Every function needs instructions to run. IoT is becoming more and more popular as a result of the coding languages that control its features.

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