27 lines
890 B
Markdown
27 lines
890 B
Markdown
# My Usage Dashboard
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This script is used to calculate the energy consumption and coast since the last time the door was opened.
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It gets 2 values via mqtt, the door status and the current energy meter value.
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With this Information, it gives the following outputs:
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- the energy amount in kwh as float.
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- the coast in € as float.
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- the coast in euro rounded to 2 decimal places as string, ready for displaying.
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all this topics will get a empty payload if the door is closed.
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## configuration
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The script is configured env vars:
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```
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MQTT_HOST: the mqtt host to connect to
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ENERGY_METER_TOPIC: the mqtt topic to get the energy meter value
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DOOR_TOPIC: the mqtt topic to get the door status
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ENERGY_PRICE: the price per kwh in €
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OUTPUT_TOPIC_PREFIX: the mqtt topic to publish the outputs to
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optionally:
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MQTT_USER: the user to connect with
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MQTT_PASSWORD: the password to connect with
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```
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