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Update instructions and AQ measurement value

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Joshua Boniface 2024-06-11 01:56:35 -04:00
parent 350a04e2e3
commit 2a8a42f46d
2 changed files with 4 additions and 2 deletions
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5
README.md
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@ -69,8 +69,9 @@ should be calibrated manually after setup as each sensor is different:
1. Turn on the Supersensor in a known-clean environment (e.g. a sealed clean 1. Turn on the Supersensor in a known-clean environment (e.g. a sealed clean
container in fresh air). container in fresh air).
2. Leave the sensor on for 4-6 hours to burn in. 2. Leave the sensor on for 4-6 hours to burn in.
3. Record the maximum Gas Resistance value (in Ω) and round up to the nearest 3. Look at the historical graphs for the Gas Resistance sensor and find the
5,000-10,000 or so (e.g. 96,938 => 100,000). maximum value over the burn-in period.
4. Round the maximum Gas Resistance value **up** to the nearest 1000.
4. Divide the rounded maximum Gas Resistance value by 1000 to get the kΩ value. 4. Divide the rounded maximum Gas Resistance value by 1000 to get the kΩ value.
This value will then define what "100% air quality" represents, and the This value will then define what "100% air quality" represents, and the

1
supersensor.yaml
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@ -514,6 +514,7 @@ sensor:
name: "BME680 AQ" name: "BME680 AQ"
id: bme680_aq id: bme680_aq
icon: "mdi:gauge" icon: "mdi:gauge"
unit_of_measurement: %
# Calculation from https://github.com/thstielow/raspi-bme680-iaq # Calculation from https://github.com/thstielow/raspi-bme680-iaq
lambda: |- lambda: |-
float ph_slope = 0.03; float ph_slope = 0.03;