mhz19b.yaml

esphome:
  name: co2
  platform: ESP8266
  board: d1_mini

uart:
  rx_pin: D7
  tx_pin: D4
  baud_rate: 9600

sensor:
  - platform: mhz19
    co2:
      name: "MH-Z19 CO2 Value"
    temperature:
      name: "MH-Z19 Temperature"
    update_interval: 60s
    automatic_baseline_calibration: false

# Disable logging (uses the same uart as P1)
logger:
  level: WARN
  baud_rate: 0
  
# Enable Home Assistant API
api:

ota:
  #password: "SomeOtaPassword"

wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "ESPHOME-CO2"
    password: "configesp"

captive_portal: