Automated door lock. Eliminates need to carry dorm key. Unlockable via any device connected within Blynk App. Has added capability to be used with Alexa + Google Assistant via ifttt.
Consists of RGB LED indicator (viewable through view hole). Inidicates state of dorm lock.
Check out my other projects at https://www.public.asu.edu/~nchennoj/projects.html