esphome-sample-project.yaml

esphome:
  name: scd30-esphome

esp8266:
  board: esp01_1m

# Enable logging
logger:

# Enable Home Assistant API
api:
  encryption:
    key: "SOMERANDOMKEY"

# Used pins for the sensor
i2c:
  sda: GPIO04
  scl: GPIO05

wifi:
  ssid: "YOUR_WIFI_SSID"
  password: "YOUR_WIFI_PASSWORD"

# for the built in history in the sensor use the history component from my fork
# https://github.com/lrlunin/esphome/tree/history-container-component 

sensor:
  - platform: scd30
    co2:
      name: "SCD30 CO2"
      accuracy_decimals: 1
    temperature:
      name: "SCD30 Temperature"
      accuracy_decimals: 2
    humidity:
      name: "SCD30 Humidity"
      accuracy_decimals: 1
    # do not change this address, unless the datasheet for your sensor says so
    address: 0x61
    # input the temperature offset (see README) 
    # temperature_offset: 4.24
    # uncomment the line below if you want to manually calibrate the sensor
    # automatic_self_calibration: false
    # select any desired update interval
    update_interval: 60s

# uncomment the lines below if you want to manually calibrate the sensor
# button:
#   - platform: template
#     name: "SCD30 Force manual calibration"
#     entity_category: "config"
#     on_press:
#       then:
#         - scd30.force_recalibration_with_reference:
#             value: !lambda 'return id(co2_cal).state;'
# number:
#   - platform: template
#     name: "CO2 calibration value"
#     optimistic: true
#     min_value: 350
#     max_value: 4500
#     step: 1
#     id: co2_cal
#     icon: "mdi:molecule-co2"
#     entity_category: "config"