Add serial and Arduino file

barcode_server.yaml

@@ -22,33 +22,38 @@ barcode_server:
   retry_interval: 2s
 
   # (optional) HTTP push configuration
-  http:
+  serial:
     # URL to send events to using a request
-    url: "http://dummy.restapiexample.com/api/v1/create"
+    path: "/dev/ttyUSB0"
+
+  # (optional) HTTP push configuration
+  # http:
+    # URL to send events to using a request
+    # url: "http://dummy.restapiexample.com/api/v1/create"
     # The request method to use
-    method: POST
+    # method: POST
     # Headers to set on each request
-    headers:
-      - "X-Auth-Token: MY_HEADERS"
+    # headers:
+      # - "X-Auth-Token: MY_HEADERS"
 
   # (optional) MQTT push configuration
-  mqtt:
+  # mqtt:
     # MQTT server host address
-    host: "mqtt.mydomain.com"
+    # host: "mqtt.mydomain.com"
     # (optional) MQTT server port
-    port: 1883
+    # port: 1883
     # (optional) Client ID of this barcode-server instance to provide to the MQTT server
-    client_id: "barcode-server"
+    # client_id: "barcode-server"
     # MQTT topic to push events to
-    topic: "barcode-server/barcode"
+    # topic: "barcode-server/barcode"
     # Username to use when connecting to the MQTT server
-    user: "myuser"
+    # user: "myuser"
     # Password to use when connecting to the MQTT server
-    password: "mypassword"
+    # password: "mypassword"
     # (optional) QoS value of event messages
-    qos: 2
+    # qos: 2
     # (optional) Whether to instruct the MQTT server to remember event messages between restarts (of the MQTT server)
-    retain: True
+    # retain: True
 
   # A list of regex patterns to match USB device names against
   devices: