diff --git a/homeassistant/docker-compose.yml b/homeassistant/docker-compose.yml
index 2686f84..f745cfa 100644
--- a/homeassistant/docker-compose.yml
+++ b/homeassistant/docker-compose.yml
@@ -7,6 +7,9 @@ services:
     volumes:
       - /opt/homeassistant/config:/config
       - /etc/localtime:/etc/localtime:ro
+      - /dev/serial/by-id:/dev/serial/by-id
+    devices:
+      - /dev/ttyACM0:/dev/ttyACM0
     ports:
       - "192.168.0.111:8123:8123"
     privileged: true
diff --git a/node-red/docker-compose.yml b/node-red/docker-compose.yml
index 1b61363..f0f2f2a 100644
--- a/node-red/docker-compose.yml
+++ b/node-red/docker-compose.yml
@@ -13,6 +13,9 @@ services:
     volumes:
       - /opt/node-red/data:/data
       - /etc/localtime:/etc/localtime:ro
+#      - /dev/serial/by-id:/dev/serial/by-id
+#    devices:
+#      - /dev/ttyACM0:/dev/ttyACM0
     environment:
       - TZ=Europe/Berlin
     restart: always