unsigned long
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Description
Unsigned long variables are extended size variables for number storage, and store 32 bits (4 bytes). Unlike standard longs unsigned longs won't store negative numbers, making their range from 0 to 4,294,967,295 (2^32 - 1).
Example
unsigned long time;void setup(){ Serial.begin(9600);}void loop(){ Serial.print("Time: "); time = millis(); //prints time since program started Serial.println(time); // wait a second so as not to send massive amounts of data delay(1000);}
Syntax
unsigned long var = val;
- var - your long variable name
- val - the value you assign to that variable
See Also
- byte
- int
- unsigned int
- long
- Variable Declaration
Reference Home
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