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break

[Control Structure]

Description

break is used to exit from a for, while or do…​while loop, bypassing the normal loop condition. It is also used to exit from a switch case statement.

Example Code

In the following code, the control exits the for loop when the sensor value exceeds the threshold.

int threshold = 40;
for (int x = 0; x < 255; x++) {
  analogWrite(PWMpin, x);
  sens = analogRead(sensorPin);
  if (sens > threshold) {     // bail out on sensor detect
    x = 0;
    break;
  }
  delay(50);
}