I started using Freeboard (http://freeboard.github.io/freeboard/) in the latest project. It's also really snick and requires no front-end coding. Worth checking out!
Yes, I used Freeboard (https://github.com/Freeboard/freeboard) couple of years ago for an IoT store. It's highly customizable and has fantastic UI. It can be used with minimal effort. Highly recommended.
The OP's project is also pretty cool.