
int potPin = 5;
int speakerPin = 9;
void setup() {
pinMode(speakerPin, OUTPUT);
}
void loop() {
int val = analogRead(potPin);
int wait = 300+val;
digitalWrite(speakerPin, HIGH);
delayMicroseconds(wait);
digitalWrite(speakerPin, LOW);
delayMicroseconds(wait);
}
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