int stepCounter;
int steps = 1000;

void setup()
{
pinMode(8, OUTPUT); // Enable
pinMode(2, OUTPUT); // Step
pinMode(5, OUTPUT); // Richtung

digitalWrite(6,LOW);
}

void loop()
{
digitalWrite(5,HIGH); // im Uhrzeigersinn

for(stepCounter = 200; stepCounter < steps; stepCounter++)
{
digitalWrite(2,HIGH);
delayMicroseconds(2000);
digitalWrite(2,LOW);
delayMicroseconds(2000);
}
delay(1000);

digitalWrite(5,LOW); // gegen den Uhrzeigersinn

for(stepCounter = 200; stepCounter < steps; stepCounter++)
{
digitalWrite(2,HIGH);
delayMicroseconds(2000);
digitalWrite(2,LOW);
delayMicroseconds(2000);
}
delay(1000);
}