Monitoring My Garage Door With a Raspberry Pi, Rust, and a 13Mb Linux System

Monitoring My Garage Door With a Raspberry Pi, Rust, and a 13Mb Linux System.
I’ve accidentally left our garage door open a few times. To combat this I built
a monitor that sends an alert via Mattermost when the door has been left open
for more than 5 minutes. This turned out to be a super fun project. I used
parts on hand as much as possible, implemented the monitoring application in
Rust, and then built a stripped down Linux image to run it.

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