Start track sensor by trigger

Configuration
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1

Hi guys.
need your help.
The main idea is to produce a report of how much electricity each of the electric vehicles consumed when charging.

  • There is a sensor to read the electricity consumed (TUYA unfortunately)
    -I built an automation when a tracker detects that the charger is connected, a message pops up to the mobile asking which of the vehicles is connected to charger A or B.

What I can’t do is split the report according to the trigger. or trigger costum sensor.

I would appreciate your assistance
Or even think in a different direction?

2

Idea how I would solve it:
Create an utility meter with your tuya sensor and 2 different tariffs for your 2 cars.
See the advanced configuration in the docs: Utility Meter - Home Assistant
Although you are in fact not dealing with actual tariffs, the result is exactly what you need: one sensor each with the energy consumption per car.

In the docs you can also see an example for an automation to choose the tariff. You need to tweak it that the tariff changes when the actionable notification from your phone fires. Press car A on the phone → change to tariff A

3

that sound like a good idea,
i didn’t undrstad how i send trigger to a sensor?

4

You don’t. Based on the event you choose the tariff. You can see in the docs how to do that.

5

Thank you, I will try that later today

6

HI it works!
thank you very much!
do you know how can i change the units mesure?
im gettin kkwhmin insted KWh.
attach screen shot

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and there is a easy way to get it monthley report? (excel datasheet or log)

7

Unit of measure depends on your input sensor and its integration. If the integration doesn’t allow configuration you can always make a template sensor and use it as input in the utility meter.

Automation that runs once per month:

or

or a graph of the monthly usage of the utility meter

8

thank’s again!
my sensor units is KWH
but the Utility Meter show in kkwhmin…

did i miss somthing?