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Michael Biermann 2020-11-19 22:15:09 +01:00
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@ -70,7 +70,7 @@ There is also a PCB-version of this project available (to be documented).
* The sensor needs to be calibrated to measure acurately. This will happen automatically if the sensor is acrive at least 24 hours. The lowest measurement in this time will serve as a baseline of 400 ppm. It is advised to keep the sensor on power for at least 24 hours, at least once a month. * The sensor needs to be calibrated to measure acurately. This will happen automatically if the sensor is acrive at least 24 hours. The lowest measurement in this time will serve as a baseline of 400 ppm. It is advised to keep the sensor on power for at least 24 hours, at least once a month.
* Place the sensor in your room, keep it away from direct exposure of breath (give it at least 1-2m distance to humans or other co2 sources to get the average co2 level of the room) * Place the sensor in your room, keep it away from direct exposure of breath (give it at least 1-2m distance to humans or other co2 sources to get the average co2 level of the room)
### Using option 1 ### Additional setup for using option 1
* When there is a freifunk wifi around there is nothing to do for you, same when you defined your own wifi via secrets.yaml. * When there is a freifunk wifi around there is nothing to do for you, same when you defined your own wifi via secrets.yaml.
* Else just wait a bit and the sensor will spawn an wifi without a password. connect with your phone and choose to login or open http://192.168.4.1 in a browser to enter your wifi credentials * Else just wait a bit and the sensor will spawn an wifi without a password. connect with your phone and choose to login or open http://192.168.4.1 in a browser to enter your wifi credentials
* When everything is done, the default config will send the sensor readings back to the project where you can view online graphs (see grafana) * When everything is done, the default config will send the sensor readings back to the project where you can view online graphs (see grafana)