int LED=7;
int Taster=8;
int Tasterlesen =0;

void setup() 
{
  // put your setup code here, to run once:
pinMode(LED, OUTPUT);
pinMode(Taster, INPUT);
}

void loop()
{ // put your main code here, to run repeatedly:
Tasterlesen= digitalRead(Taster);
if (Tasterlesen == HIGH)
{
 digitalWrite(LED, HIGH);
 digitalWrite(LED, LOW);
}
 else
{
digitalWrite(LED, LOW);
}
}