Your Ideas for New ST-compatible Security Products Needed for Academic Project

Meant it as a contact/ motion/ pressure mat sensor for when someone steps on a doormat. Seen people doing DIY ones using Fibraro Contact sensors and thought that it was a good area to develop? :upside_down_face::crazy_face:
https://community.smartthings.com/t/which-pressure-mat-to-choose/73020/2