I'm home!
A downloadable project
A Smart Lock-Based Roommate Indicator
Living in a shared space can make it tricky to know who's home.
I'm Home! 
is a simple yet effective prototype that lets roommates instantly see when someone arrives.
The system features a small lock-and-key setup:
when a key is inserted and turned,
a light bulb illuminates,
signaling that someone is home.
It’s a straightforward, battery-powered circuit designed for easy installation and an intuitive user experience—because sometimes, a little light is all it takes to stay connected.
