Monitoring air quality with Rust.

let device = aranet::connect().await?;
let measurements = device.measurements().await?;
dbg!(measurements);
// [src/main.rs:6] measurements = SensorData {
//   со2: 962,
//   battery: 76,
//   humidity: 49,
//   status: GREEN,
//   pressure: 1017,
//   interval: 300s,
//   temperature: 25.75,
//   since_last_update: 127s,
// }

I've owned an Aranet4 CO₂ monitor for a while now, and while the device itself is great, it's not compatible with any smart home systems.

I wanted to get push notifications when the CO₂ levels in my room were too high, so I reverse-engineered the BLE protocol it uses and built a simple Rust library to interact with it.

View on GitHub