versuch, dass wenn 7 0 ist die for schleife zu beenden

Licht.ino

@@ -15,8 +15,8 @@ void loop() {
       analogWrite(6,i);
       analogWrite(9,i);
       delay(20);
-      while (digitalRead==0) {
+      while (digitalRead(7)==0) {
-        sleep(10);
+        delay(10);
       }
     }
       for (int i=255; i >= 0; i--) {
@@ -24,10 +24,10 @@ void loop() {
       analogWrite(6,i);
       analogWrite(9,i);
       delay(20);
-      while (digitalRead==0) {
+      while (digitalRead(7)==0) {
-        sleep(10);
+        delay(10);
       }
-  
+  // zufall hinzufügen
   }
   }
 }