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updated documentation

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smash 2020-09-15 13:20:52 +02:00
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13
README.md
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@ -19,7 +19,18 @@ higher concentrations of CO2 inside will make you sleepy and have an impact on y
## build
just solder everything according to the connection schema.
get yourself a copy of esphome (https://esphome.io/) and compile the firmware with 'esphome co2sensor.yaml run' - hold boot on your esp until fw upload start.
get yourself a copy of esphome (https://esphome.io/) and compile the firmware with 'co2ampel=USER_ROOMesphome co2sensor.yaml run' (replace user with a nick that identifies you or your organisation and room with the place the sensor is located at - these will be used for online graphing!)
hold boot on your esp32 until fw upload starts.
## setup
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)
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
when everything is done, the default config will send the sensor readings back to the project where you can view online graphs (see grafana)
## grafana
there is a quick setup on http://co2.cyber23.de:3000/d/1axlpIdGk/co2?orgId=1&refresh=10s your sensor should apper in the list as soon it has wifi
### schema

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secrets.yaml.example
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@ -1,2 +1,3 @@
wifi_ssid: 'Freifunk'
wifi_passwd: ''
ota_passwd: 'kamehameha'