ENS160+AHT21 Carbon Dioxide Sensor Gas Sensor CO2 Sensor eCO2 TVOC Air Quality And Temperature And Humidity Sensor 12C SPI Replace CCS811 For Arduino
Ens160 is a digital multi gas sensor specially designed for indoor air quality monitoring.
MOX supports up to 4 independent gas sensors
Integrated sensor measurement and heater drive control
Integrated pre calibrated sensor fusion and automatic baseline correction algorithm
Multiple IAQ outputs (TVOC, ec02, AQL)
12C and SPI interface

ENS160 air quality sensor:
Detection of gases: a variety of gases and volatile organic compounds (VoCs) for optimal detection, including toluene, hydrogen, ethanol, NO2 and ozone
Detection range: with four MOX sensor elements
Warm-up time: 5~60minutes
Outputs: Multiple IAQ outputs (TVOC, eCO2, AQI)
Interface: I2C and SPI interface
Humidity: 5~95%
Temperature: -40~+85°C
Warm-up:
Start-up:
Operating environment: -40~+85℃/5~95%RH
Voltage: VDD1.71~1.98V/vDDI01.71~3.6V
Range: 0~65535ppb
AHT21 temperature and humidity sensor:
Supply voltage: 2.0~5.5V DC
Measuring range:
Temperature: -40~+120℃
Humidity: 0~100%RH
Accuracy (typical):
Temperature: ±0.3° °C
Humidity: ±2% RH (25°C)
Resolution:
Temperature: 0.01°C
Humidity: 0.024%RH
Output signal: I2C signal