Hardware Contest 2017

We have four submissions for our Hardware Contest 2017.

The voting is now open. To keep things simple are we using the voting feature of the forum. Vote for your choices.

End of the voting period: April, 30 2017 - 23.59 UTC

This is a companion discussion topic for the original entry at https://home-assistant.io/blog/2017/04/24/hardware-contest-2017/