What languages ​​are used to program inventions and devices?

Question

C++ / C#

It is very interesting to know what programming languages ​​are used to program various drones, smart refrigerators, bottles, suitcases that follow the owner, what is built into these devices? (mostly presented at CES 2017)

Answer 1

Any can be applied.
Most often, variants of Linux are used as embedded operating systems, on which, in addition to native c / c ++, there is both python and java, you can install both js and bash and everything in general.
It is rare when something esoteric is used - the more expensive the device, the easier it is to shove a normal percentage with a normal OS into it and not bother with restrictions.

Answer 2

You can start with JS
and use this MK - amperka.ru/product/espruino-pico
or this constructor - amperka.ru/product/yodo

Answer 3

Usually uses C, C++, python and js. Very rare Lisp and Java.
But it would be more correct to use Rust, Julia, Purescript and Scala.