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- #include <Servo.h>
- int sensorPin = A0;
- int servoPin = 9;
- int sensorValue = 0;
- int servoGrad = 90;
- int tolerance = 40;
- Servo myservo;
- void setup() {
- pinMode( sensorPin, INPUT);
- myservo.attach( servoPin );
- myservo.write( servoGrad );
- }
- void loop() {
- sensorValue = analogRead(sensorPin);
- if ( sensorValue < (512-tolerance) )
- {
- if (servoGrad < 180) servoGrad++;
- }
- if ( sensorValue > (512+tolerance) )
- {
- if (servoGrad > 0) servoGrad--;
- }
- myservo.write( servoGrad );
- delay(100);
- }
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