pyramidak air quality
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Indoor or outdoor air quality sensors couldn’t be easier to build. Connect sensors you prefer.
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3-4 screws M3x8 DIN 7985 and nuts M3 DIN 934
Great thing is that you can choose from multiple sensors from different manufacturers and connect only the ones you need. The sensors just snap into the ports. The values 1-Good, 2-Fair, 3-Bad are externally displayed by a traffic light whose brightness is controlled by an ambient light sensor.
All digital sensors have auto-detect connection at startup. In the firmware settings you will see detailed information about all sensors. The values of all sensors are evaluated into a summary virtual quality sensor, thanks to which you can easily do automations. In the pyramidak air firmware, the analog sensors can be set in the Sensor settings. Temperature, humidity and pressure can also be corrected here. LED traffic light is automatically adjusted by ambient light sensor, but you can adjust the maximal brightness. Firmware can be conveniently updated via a local web server.
Visit web to see how easily add all sensors to any smart home central system using MQTT commmunication.