CircuitPython and MicroPython - Coding Languages for Microcontrollers

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Designed for Microcontrollers

MicroPython and CircuitPython are two popular programming languages designed specifically for microcontrollers. They are both based on Python, making them easy to learn and use for anyone familiar with the language. However, there are some differences between the two that are worth considering when choosing which one to use.


MicroPython


An Implementation of Python 3

MicroPython is a lean and efficient implementation of the Python 3 programming language. It was created by Damien George in 2013, and it is designed to run on microcontrollers with limited resources such as RAM and flash memory. MicroPython is open-source and free to use, making it an ideal choice for hobbyists and professionals alike.



Small Footprint

One of the main advantages of MicroPython is its small footprint. It is designed to run on microcontrollers with as little as 256KB of flash memory and 16KB of RAM. This means that it can be used on a wide range of microcontrollers, including those with very limited resources. MicroPython also has a compact syntax, which makes it easier to write and read code on microcontrollers.


Compatible with Existing Python Code

Another advantage of MicroPython is its compatibility with existing Python code. Since MicroPython is based on Python, existing Python libraries and code can be easily ported to MicroPython. This makes it easier to reuse existing code and libraries in your projects, reducing development time and increasing productivity.


Does Not Include All Python Features and Libraries

However, there are some limitations to MicroPython. Due to its small size, it does not include all of the features and libraries found in full Python implementations. This can make it challenging to use some third-party libraries and code that rely on features not included in MicroPython. Additionally, MicroPython is not as actively developed as CircuitPython, meaning that updates and bug fixes may be less frequent.


CircuitPython


Designed for Adafruit Hardware

CircuitPython is a variant of MicroPython that was specifically designed for use with microcontrollers and development boards made by Adafruit Industries. It was created in 2017 by Scott Shawcroft, and it builds on the work of MicroPython to provide an easy-to-use programming environment for microcontrollers.



Includes Features Not Available in MicroPython

One of the main advantages of CircuitPython is its ease of use. It is designed to be accessible to beginners, with a focus on simplicity and ease of use. CircuitPython includes many features and libraries that are not available in MicroPython, making it easier to write complex code without having to worry about low-level details such as hardware registers and interrupt handling.


Excellent Documentation and Community Support

CircuitPython also has excellent documentation and a large and active community of developers. This means that there is a wealth of resources available for learning CircuitPython, including tutorials, documentation, and community support forums. This can be especially helpful for beginners who may be unfamiliar with microcontroller programming.


Has Been Ported to Non-Adafruit Hardware

Another advantage of CircuitPython is its compatibility with a wide range of microcontrollers and development boards. While it was initially designed for use with Adafruit boards, it has since been ported to many other microcontrollers, including those made by other manufacturers. This makes it a more flexible option than MicroPython for developers who want to use a wide range of hardware.


Not As Efficient As MicroPython

However, there are some drawbacks to CircuitPython. One of the main limitations is its size. CircuitPython requires more flash memory and RAM than MicroPython, making it unsuitable for use on some low-cost microcontrollers. Additionally, CircuitPython is not as efficient as MicroPython, which can be a concern for battery-powered devices or those with limited power resources.


Summary


Two Popular Coding Languages for Microcontrollers

In summary, MicroPython and CircuitPython are two popular programming languages for microcontrollers based on Python. MicroPython is a lean and efficient implementation of Python, while CircuitPython is a variant that is more beginner-friendly and includes more features and libraries. While both have their advantages and disadvantages, the choice between the two ultimately depends on your specific needs and requirements. If you need a small, efficient language that can run on a wide range of microcontrollers and are familiar with Python, MicroPython might be the best choice for you. However, if you are new to microcontroller programming or want a more beginner-friendly environment, CircuitPython might be a better option.


Depends on the Project Requirements

Ultimately, the decision between MicroPython and CircuitPython depends on the specific project requirements, hardware constraints, and programming experience. Both languages are great options for developing projects on microcontrollers and offer a range of features and capabilities that can be leveraged to create robust and efficient code. By evaluating the pros and cons of each language and considering the project requirements, you can make an informed decision and choose the best language for your needs.



Image by Michael Schwarzenberger from Pixabay 

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