ENS160 AHT21 Carbon Dioxide (eCO2) TVOC Air Quality Temperature & Humidity Sensor Module for Arduino ESP32 Raspberry Pi
Monitor Indoor Air Quality with One Smart Sensor
The ENS160 AHT21 Air Quality Sensor Module is designed to help developers and students measure indoor environmental conditions efficiently.
The module combines:
- ENS160 → Digital Air Quality Sensor
- AHT21 → Temperature & Humidity Sensor
Together they provide improved environmental sensing for applications that require reliable air quality estimation.
Main Measurements
✔ Equivalent Carbon Dioxide (eCO2)
✔ Total Volatile Organic Compounds (TVOC)
✔ Temperature
✔ Relative Humidity
Unlike traditional gas sensors that require extensive calibration, ENS160 offers simplified integration for embedded and IoT projects.
Why Choose ENS160 AHT21?
Accurate Environmental Compensation
Temperature and humidity data from AHT21 improves air quality estimation.
Easy Microcontroller Integration
Supports:
- Arduino UNO
- ESP32
- ESP8266
- Raspberry Pi
- STM32
- IoT development boards
Low Power Design
Suitable for portable and continuous monitoring applications.
Compact Module
Easy for breadboard prototyping and PCB integration.
Specifications:
| Parameter | Value |
|---|---|
| Sensor IC | ENS160 + AHT21 |
| Measurement | eCO2, TVOC, Temperature, Humidity |
| Communication | I2C |
| Operating Voltage | 3.3V–5V (module dependent) |
| Interface | Digital |
| Temperature Sensor | Integrated AHT21 |
| Air Quality Sensor | ENS160 |
| Application | Indoor Air Monitoring |
| Compatible Boards | Arduino, ESP32, Raspberry Pi |
| Mounting | PCB Module |
Applications:
- Smart Home Automation
- Indoor Air Quality Monitoring
- IoT Environmental Stations
- Classroom Electronics Projects
- Arduino Learning Kits
- HVAC Monitoring
- Office Air Monitoring
- Embedded System Research
- Environmental Data Logging
- ESP32 Dashboard Projects
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