The Internet of Things or IoT, is a modern concept of creating a mesh of purposely-built small devices, connected to each other and working on a certain set of tasks, just as computers in the regular Internet.

These devices can collect, transfer, analyze data and make any actions or decisions, based on this data. The IoT networks can incorporate almost any kind of data collector to enhance the IoT mesh.

IoT has lots of applications in all spheres you can imagine. Your smart home is actually a small IoT mesh. Smart dimmers, RGB bulbs, embeddables and home appliances that can do certain things based on inputs by other things (you usually call them ‘smart’ things) are basically your own IoT.

But IoT is much more than that and can be used in logistics, medicine, retail, multimedia and so on. Of course, in every IoT-connected device, there is some code running and processing raw inputs to Internet data packets and vice versa. What runs it? What is the best programming language for the IoT development?

Best Programming Languages for IoT


Assembler is the first thing you may guess when thinking of programming small devices. Indeed, Assembler is the keystone of the internet of Things programming and is developed to be a direct interface between an engineer and a device.

However, Assembler is comparably hard to master, as it is a low-level language, and, in fact, it is not one language at all. Almost any kind of IoT chip has its own Assembler that may be different from other ones, which makes it the best, but the hardest option for IoT programming.


After the Assembler, there was C IoT language. Being considered a low-level programming language as well, C is way more flexible and intuitive than Assembler and can be as powerful in direct cooperation with hardware while retaining a more high-level human-readable syntax.

This language is extended by later C derivatives like C++ or C#, which can be compiled to the same bytecode, but make lots of IoT programming much easier.


This family has extended further by means of B#. B# is a C-based special Internet of Things programming language created for running on tiny and weak systems and keeping the code neat and readable.

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