chore: Add temperature sensor to demo config

README.md

@@ -12,7 +12,7 @@ I use a [Mosquitto](https://mosquitto.org/) message broker, [Prometheus](https:/
 
 ![Architecture diagram](./architecture.drawio.png)
 
-In the meantime, I've added a gas meter sensor, which also uses a ESP8266, but a reed relay to measure the turns of the meter's wheel. So I expanded the tool to be more configurable which MQTT topics to subscribe and to which Prometheus metrics to publish the data.
+In the meantime, I've added a gas meter sensor, which also uses a ESP8266, but a reed relay to measure the turns of the meter's wheel. So I expanded the tool to be more configurable which MQTT topics to subscribe and to which Prometheus metrics to publish the data. Also, I've added a HY001 temperature sensor which measures the outside temperature.
 
 ## Configuration
 

config.yaml

@@ -23,12 +23,29 @@ metrics:
       meter: STROM.Meter_number
 
   - name: gas_meter_voltage
-    description: The relay's voltage
+    description: The relay's voltage [V]
     type: gauge
-    topic: /gas-counter
+    topic: tele/gas_meter/SENSOR
     path: voltage
-  - name: gas_meter_total
-    description: measured amount of gas (m^3 gas)
-    type: count
-    topic: /gas-counter
-    path: total
+  - name: gas_meter_counter
+    description: measured amount of gas [1/100 m^3]
+    type: counter
+    topic: tele/gas_meter/SENSOR
+    path: counter
+
+  - name: gas_meter_wifi_fails
+    description: Number of failed wifi connections
+    type: counter
+    topic: tele/gas_meter/SENSOR
+    path: fails.wifi
+  - name: gas_meter_mqtt_fails
+    description: Number of failed connections to MQTT server
+    type: counter
+    topic: tele/gas_meter/SENSOR
+    path: fails.mqtt
+
+  - name: outside_temperature
+    description: The current outside temperature [°C]
+    type: gauge
+    topic: tele/gas_meter/SENSOR
+    path: temperature