How to convert number to ASCII code?

Question

ASCII

For example, there is a number 325, its ASCII code 0x33 is 3, 0x32 is two, 0x35 is five.
You need to implement this at the program level, that is, counting the values ​​\u200b\u200bof the variable, converting it to ASCII code and sending it to the display bus.

Answer 1

In a loop:
This is the general algorithm. There are also such options and nuances: as additional formatting for different number systems, integers / floating point numbers, negative numbers, degrees, fractions, and so on.