Change to while loop

Licht.ino

@@ -15,22 +15,18 @@ void loop() {
       analogWrite(6,i);
       analogWrite(9,i);
       delay(20);
-      if (digitalRead(7)==0){
-        
-        Serial.println("break 1");
-        break;
-      
-      }
+      while (digitalRead==0) {
+        sleep(10);
       }
+    }
       for (int i=255; i >= 0; i--) {
       analogWrite(3,i);
       analogWrite(6,i);
       analogWrite(9,i);
       delay(20);
-      if (digitalRead(7)==0){
-        Serial.println("break 2");
-        break;
-      }  
+      while (digitalRead==0) {
+        sleep(10);
+      }
   
   }
   }