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setup()
Description
The setup() function is called when a sketch starts. Use it to initialize variables, pin modes, start using libraries, etc. The setup() function will only run once, after each powerup or reset of the Arduino board.
Example Code
int buttonPin = 3;
void setup() {
// put your setup code here, to executed once:
Serial.begin(9600);
pinMode(buttonPin, INPUT);
Serial.println("This is setup code");
}
void loop() {
// ...
}
The output on Serial Monitor:
COM6
This is setup code
Autoscroll
Clear output
9600 baud
Newline
See Also
- Language : loop()
- Tutorial : Arduino - Code Structure
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| Arduino UNO R3 | |
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