ESPHome-Devices

AirGradient-DIY

AirGradient-DIY

Device Type: sensor
Electrical Standard: us

Air environment sensor from PM2.5, CO2, Temperature and Humidity from AirGradient.

Variations of the components are possible. Check your components.

If you have multiple sensor boards, you will likely need to make each sensor name unique across the boards (e.g. "1st AirGradient Temperature"), so there aren't naming conflicts.

Basic Configuration

esphome:
name: airgradient
platform: ESP8266
board: d1_mini
# Enable logging
logger:
# Enable Home Assistant API
api:
password: ""
ota:
password: ""
captive_portal:
i2c:
sda: D2
scl: D1
uart:
- rx_pin: D5
tx_pin: D6
baud_rate: 9600
id: uart1
- rx_pin: D4
tx_pin: D3
baud_rate: 9600
id: uart2
sensor:
- platform: sht3xd
temperature:
id: temp
name: "Temperature"
humidity:
id: humidity
name: "Humidity"
address: 0x44
update_interval: 5s
- platform: pmsx003
type: PMSX003
uart_id: uart1
pm_2_5:
id: pm25
name: "Particulate Matter <2.5µm Concentration"
- platform: senseair
uart_id: uart2
co2:
id: co2
name: "SenseAir CO2 Value"
update_interval: 60s

OLED Support

If you are using the 64x48 OLED shield that's included in the kit, you can use this config. Note that you will need to place fonts/helvetica.ttf (or another font of your choosing) in the ESPHome config directory.

This config will print all four sensor states to the display.

font:
- file: "fonts/helvetica.ttf"
id: helvetica
size: 12
glyphs: |
!"%()+=,-_.:°0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyzµ³/
display:
- platform: ssd1306_i2c
model: "SSD1306 64x48"
address: 0x3C
lambda: |-
// For Celsius, uncomment the below line
// it.printf(0, 0, id(helvetica), "%.1f°C", id(temp).state);
// For Fahrenheit, uncomment the below line
// it.printf(0, 0, id(helvetica), "%.1f°F", (id(temp).state * 1.8) + 32);
it.printf(0, 12, id(helvetica), "%.1f%% RH", id(humidity).state);
it.printf(0, 24, id(helvetica), "%.0fppm", id(co2).state);
it.printf(0, 36, id(helvetica), "%.0f µg/m³", id(pm25).state);
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