# Share Your Device! - Advanced Virtual Devices from Device Capabilities

**URL:** <https://community.homey.app/t/share-your-device-advanced-virtual-devices-from-device-capabilities/68676>\
**Category:** Apps\
**Tags:** app, tools, virtual-device, device-capabilities, avd\
**Created:** [September 10, 2022, 8:43am UTC](https://community.homey.app/t/share-your-device-advanced-virtual-devices-from-device-capabilities/68676 "2022-09-10T08:43:41Z")\
**Posts on this page:** 1\
**Showing post:** 31

<div class="post-metadata">

**Author:** ![RogerSt](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/rogerst/32/12432_2.png) [@RogerSt](https://community.homey.app/u/RogerSt)\
**Post date:** [September 25, 2022, 8:19am UTC](https://community.homey.app/t/share-your-device-advanced-virtual-devices-from-device-capabilities/68676/31 "2022-09-25T08:19:45Z")

</div>

I have recently posted a number of questions on how to create a AVD for my EV Charger.  
Now it’s my time to share the result.

# EV Charger Status Device Tile

The device should:

- show an enabled/disabled status to understand whether or not the charger is active
- show the total accumulated energy (kWh) of the current / previous charging session - I assume that it is the total amount of power of the previous charging session when the device is inactive.
- show the current charging power (the flow will set the charging power to 0 if \<30W)
- show the duration of the ongoing/previous charging session in HHhMMm notation

 ![image](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/f/2/f2c13152c3d5211bdf64531ee0806a822609f6b8.png)

### Apps used:

- I have a smart sensor that watched for power consumption on the EV charger. I have a Shelly EM1 but any power sensor should work
- I use Homey Advanced Flows to manage the device.
- Homeyscript is needed to make the time calculation work
- Logic is used to manage variables: intEVChargerEnergyStart/End/Delta and intEVChargerPowerRounded (to avoid fraction numbers in the tile)

Picture of the flow used:

 ![image](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/2/b/2be08a32aecc9a480c37c3357b1db5a41fa72f95.png)

This is just for reference so you understand what it does:

- set the start/end power measurement variables at start and end of charging session
- calculate the delta variables in Logic at the appropriate times (at start and end of charging session, and every 10 seconds while active)
- set the charging state active/inactive
- calculate the duration using milliseconds measurements (and translate to HHMM using homeyscript)

The scripts:

**Milliseconds timestamp:**

> const milliseconds = await Date.now();  
> return milliseconds;

**Duration at end of charging session:**

> const d = new Date(1\*args[0]);  
> let hours = d.getHours();  
> let minutes = d.getMinutes();  
> if (hours \< 10) {hours = “0”+hours;}  
> if (minutes \< 10) {minutes = “0”+minutes;}  
> let duration = hours+‘h’+minutes+‘m’;  
> return duration;

**Duration every 10 seconds update:**

> const start = new Date(1\*args[0]);  
> const now = new Date();  
> d = new Date(now-start);  
> let hours = d.getHours();  
> let minutes = d.getMinutes();  
> if (hours \< 10) {hours = “0”+hours;}  
> if (minutes \< 10) {minutes = “0”+minutes;}  
> let duration = hours+‘h’+minutes+‘m’;  
> return duration;

 ![image](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/f/a/fa738f2ce27eacf54b72eafe2b3eaa9bb1d23366.png)

Hope these are helpful - have fun!

TEF:

```auto
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qfj8puH7C7ZyfESGCtAEyr8FUQNE4H0HFkwTYKybCElUPmsc+vTVquHFe4z92DBv/+ScK7zr11VpDuEUek5UoXMz+xWL/79IhEe89VQBfJXBkPh3TmEpSHeVwlJlkSu6/+0QAtHr7++P3/8bIBIhTf0tAAA=

```

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_[View the full topic](https://community.homey.app/t/share-your-device-advanced-virtual-devices-from-device-capabilities/68676)._