unsigned int

unsigned int 4 int unsigned int 0 4,294,967,295 2 ^ 32 - 1

unsigned int signed int Maple(Arduino STM32) int "1"2使 10

unsigned int int int 0 "" 4,294,967,295 "overflow"

unsigned int x;
x = 0;
x--; // x now contains 4,294,967,295; rolled over "left to right"
x++; // x now contains 0; rolled over "right to left"

unsigned long unsigned int
pin unsigned int 13
unsigned int pin = 13;

var unsigned int
unsigned int var = val;


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