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Aufgabe DC Motor & H Brücke

janineiten | 08:05 | Categories: Janine Iten |

10. November 2010

Der DC Motor wird mit einem Drucksensor gesteuert. Wird der Sensor fest gedrückt, wird der Motor langsamer und haltet sogar an. Beim Wiederloslassen ändert der Motor seine Laufrichtung. YouTube Preview Image 

#define EM 12
#define DIN1 11
#define DIN2 10
unsigned long time;
int zaehler = 0;

void setup (){
pinMode(EM, OUTPUT);
pinMode(DIN1, OUTPUT);
pinMode(DIN2, OUTPUT);


Serial.begin( 9600 );

digitalWrite(EM, LOW);
analogWrite(DIN1, 0);
analogWrite(DIN2, 0);

}

void loop (){

digitalWrite(EM, HIGH);
int sensorValue = analogRead(1)/4;

if (zaehler == 0){
  
  if (sensorValue >  220){
  sensorValue = 255;
} else if (sensorValue >  200 && sensorValue < 220){
  sensorValue = 220;
} else if (sensorValue >  180 && sensorValue < 200){
  sensorValue = 200;
} else if (sensorValue >  160 && sensorValue < 180){
  sensorValue = 180;
} else if (sensorValue >  150 && sensorValue < 160){
  sensorValue = 160;
} else if (sensorValue >  140 && sensorValue < 150){
  sensorValue = 140;
} else if (sensorValue <  140){
  sensorValue = 0;
  zaehler = 1;
 
}

  delay(200);
  analogWrite(DIN1, sensorValue);
  analogWrite(DIN2, 0);


} else if (zaehler == 1){
  
  
if (sensorValue >  220){
  sensorValue = 255;
} else if (sensorValue >  200 && sensorValue < 220){
  sensorValue = 220;
} else if (sensorValue >  180 && sensorValue < 200){
  sensorValue = 200;
} else if (sensorValue >  160 && sensorValue < 180){
  sensorValue = 180;
} else if (sensorValue >  150 && sensorValue < 160){
  sensorValue = 160;
} else if (sensorValue >  140 && sensorValue < 150){
  sensorValue = 140;
} else if (sensorValue <  140){
  sensorValue = 0;
  zaehler = 0;
  
}

  delay(200);
  analogWrite(DIN1, 0);
  analogWrite(DIN2, sensorValue);
}

Serial.println(sensorValue, DEC);
}