Of course the simpliest way to create that will be: char information [] = "B01011001"; But I need to change the individual bits in int bit = variable. char *strcpy(char *dest, const char *src) Parameters. These tend to be large structures so putting them into program memory is often desirable. array Issues with strcpy and char arrays. - Arduino Forum Arduino String To Char Array s and Strings 001 PROGMEM gehört zur pgmspace.h -Softwarebibliothek. Following is the declaration for strcpy() function. If you compare the documentation for unsigned char. what is a character string. Because strings themselves are arrays, this is actually an example of a two-dimensional array. Now to divide that, for example, uh this c sub six by c by two okay, so uh the syntax is as follows: okay, so c over c of six divided by two as a straightforward on the division asymptote. Thanks @chrisl, I value your help. Thus, if you want the string to contain N characters, enter N+1 in the length argument. Du kannst ein Array deklarieren, ohne es wie in myInts initialisieren zu müssen. A copy of the string now exists in the out_num [] array, but only takes up 18 elements of the array, so we still have 22 free char elements in the array. A string, with lowercase s, is a couple of characters in a row. Text strings can be represented in two ways. Please note that we have specified 6 as the length instead of 5, because the last character is reserved for the string termination character ('0'). Convert string to character array in Arduino - Tutorials Point