diff --git a/blaue_lichterkette.yaml b/blaue_lichterkette.yaml
index 9f83da2..8c13a76 100644
--- a/blaue_lichterkette.yaml
+++ b/blaue_lichterkette.yaml
@@ -32,4 +32,19 @@ light:
   - platform: monochromatic
     output: pwm_output
     name: "Blaue Lichterkette"
-
+    id: blaue_lichterkette
+
+binary_sensor:
+  - platform: gpio
+    pin: 
+      number: GPIO05
+      mode: INPUT_PULLUP
+    id: switch_blaue_lichterkette
+    on_press:
+      then:
+        light.toggle: 
+          id: blaue_lichterkette
+    on_release:
+      then:
+        light.toggle: 
+          id: blaue_lichterkette
\ No newline at end of file