diff --git a/data/homie/config.json b/data/homie/config.json
index c885793..171ef4c 100644
--- a/data/homie/config.json
+++ b/data/homie/config.json
@@ -1,12 +1,12 @@
 {
     "name": "HOSTNAME",
-    "device_id": "HOSTNAME",
+    "device_id": "DEVICENAME",
     "wifi": {
-    "ssid": "WIFISSID",
-    "password": "WIFIPASS"
+    "ssid": "SSID",
+    "password": "password"
     },
     "mqtt": {
-    "host": "raum.ctdo.de",
+    "host": "hass.ctdo.de",
     "port": 1883,
     "auth": false
     },
diff --git a/hosts b/hosts
index 3898d98..3cc6a75 100644
--- a/hosts
+++ b/hosts
@@ -1,2 +1,3 @@
 volumeknob2
-volumeknob3
\ No newline at end of file
+volumeknob3
+volumeknob4
\ No newline at end of file
diff --git a/platformio.ini b/platformio.ini
index e91e18e..e77d5d5 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -23,6 +23,7 @@ lib_deps =
 	https://github.com/PaulStoffregen/Encoder.git
 	https://github.com/adafruit/DHT-sensor-library
 	https://github.com/adafruit/Adafruit_Sensor
+	thomasfredericks/Bounce2
 
 [env:d1_minidebug]
 platform = espressif8266