Aug 18, 2019 · char char_array[str_len]; is local to the function - it is created on function entry and its memory is released on function exit. The contents of that memory are undefined once it has …

I'm trying to write a function as part of my code, and the function basically has to write the name of a parameter, but I can't get it to print properly to the screen. Here is what I've got: void

How to get char array's length Ask Question Asked 5 years, 11 months ago Modified 5 years, 11 months ago

I get serial data from the console and store it in a char array called "data". Then, when I send a new console message to the Arduino, I want it to clear the existing "data" array and store only …

1) c_str() is no replacement for toCharArray(): your first example fails to compile with “error: invalid conversion from ‘const char*’ to ‘char*’”. Of course, if you only need a const char *, then …

Feb 10, 2021 · It’s recommended to only use char for storing characters. For an unsigned, one-byte (8 bit) data type, use the byte data type. So size wise an array of chars and unsigned …

May 23, 2022 · You can't append to an array as they have a fix size. You need to know how many entries are expectable at max and define the array's size accordingly. You also better use char …

Feb 14, 2020 · What kind of function can I use to know how many elements are in an array char? sizeof() gives the number of 'spaces' available so it doesn't work for me.

The library function takes (char[] TextString, unsigned int Offset) as it's parameters. EDIT: the library also has functions print7Seg(long number, byte decimalPlace, unsigned int Offset) and …

Jul 29, 2021 · I have, one program with only using printing array and other with serial write and print function for the array, while using serial write and print function I get these extra …