BTHome Guide to the CO2 Gadget: Home Assistant without Wi-Fi or MQTT

BTHome v2 is an open BLE beacon protocol that Home Assistant detects automatically: with your Gadget CO₂ sensor transmitting via Bluetooth, Home Assistant creates the entities without the need for Wi-Fi, MQTT or manual configuration. The CO2 Gadget supports 10 measurements (CO₂, temperature, humidity, battery, PM2.5, pressure, PM10, voltage, PM1.0 and PM4.0), AES-CCM encryption and coexistence with … Read more