ENS160

ENS160 TVOC sensor

Participants
Skills	Hacking, Electronics, Sensors
Status	Active
Niche	Smelling stuff
Purpose	Fun
Tool	Yes
Location	WC
Cost
Tool category	Electronics

ENS160 TVOC sensor

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What

It's a sensor that measures volatile organic compounds (VOC). See https://nl.aliexpress.com/item/1005006125242045.html

Hardware

Sensor consists of a wemos d1 mini and an ENS160/AHT21 module

Connections:

Vin = wemos 5V
GND = wemos GND
SDA = wemos D2
SCL = wemos D1

Software

It is programmed with ESP-home:

esphome:
  name: tvocsensor
  friendly_name: tvocsensor

esp8266:
  board: d1_mini

# Enable logging
logger:
  level: INFO

i2c:
  
sensor:
  - platform: aht10
    variant: AHT20
    temperature:
      name: "AHT21 Temperature"
      id: tvoc_temperature
    humidity:
      name: "AHT21 Humidity"
      id: tvoc_humidity
  - platform: ens160
    eco2:
      name: "ENS160 eCO2"
    tvoc:
      name: "ENS160 Total Volatile Organic Compounds"
    aqi:
      id: ens160_air_quality_index
      name: "ENS160 Air Quality Index"
    compensation:
      temperature: tvoc_temperature
      humidity: tvoc_humidity
    update_interval: 10s