Accumulate characters in string and read characters from string. It is possible to store "namber" or "byte" in a string as a stream of characters. And from this string, read the characters indicated by the index. Characters will be displayed in the form of "number" or "byte".
Contains nodes of items and values for creating a menu when working with displays, there is a sample of creating "my-menu", and based on it, an example of using a menu in a real project is given. Example and Example2 tested on "arduino uno":).