Card to display bar chart oriented to display power sensors

[tdv]

Hi everyone!

I’ve created a new card that helps you display power sensors

Instructions
Please visit the GitHub repository for installation and usage instructions.

[kaaribou]

Hello !
This add-on seems to be wonderful!

But i have an issue.

When i create a card, i see the result and it’s ok :

But if i valide the card, the result has a bug.