This is a prototype of a smaller step of a bigger project ( https://hackaday.io/project/10689-avatify ). That is another time to present. I had a problem leaving my things unwatched at the library. So I wanted to create a simple gadget that will prevent stealing it.
RFID module is for authentification, the display and the 8x8 matrix (face) is a feedback system.
A vimeo of it: https://vimeo.com/161225696