Noisebell

Monitors the door at Noisebridge and tells you whether it's open or closed.

A Raspberry Pi reads a magnetic sensor on the door and pushes state changes to a cache server. The cache fans updates out to Discord and an Atom feed.

Pi (door sensor) ──webhook──> Cache ──webhook──> Discord
                                |
                     polls Pi <-+     RSS reads from Cache

Layout

Directory	What it is
pi/	NixOS config + Rust service for the Pi
remote/	Server-side services (cache, discord bot, rss feed)

Each directory has its own README with setup and configuration details.