esp32_air_quality_monitor

Used sensors:

• DHT11 https://www.electronicoscaldas.com/datasheet/DHT11_Aosong.pdf
• MH-Z14A https://www.winsen-sensor.com/d/files/infrared-gas-sensor/mh-z14a_co2-manual-v1_01.pdf
• MQ7 https://www.sparkfun.com/datasheets/Sensors/Biometric/MQ-7.pdf

Retrieving parameters

curl http://{IP_ADDRESS_DEVICE}

Configuration

Create file .local.ini in the root directory and paste WiFi parameters:

[env]
build_flags = 
    -D SSID_ENV_VAR=\"SSID_NAME\" 
    -D PASSPHRASE_ENV_VAR=\"PASSWORD\"