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Why don't you just start with a microcontroller that supports Javascript? I find the Adafruit Circuit Playground Express quite fun to work with. You can still connect sensors and other hardware, the same as you can do with Arduino. It also has a bunch of sensors built-in. You can try it out right now without owning a hardware board at


Even if such a transpiler exists (which I don‘t know) you will still have to deal with the loop structure and the fact that you should avoid using delays. On a microcontroller you have to forget about things like multithreading and even dynamic memory allocation should be used carefully. Most of those things that make a programmer‘s life easy on bigger ...

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