CO2L Unit with Temperature and Humidity Sensor
MC 4.0 CO2L Unit with Temperature and Humidity Sensor: UNIT CO2 is a photoacoustic Carbon Dioxide (CO2) Unit that detects the CO2 PPM (parts-per-million) composition of ambient air. With a built-in Sensirion SCD40 sensor, power by Buck converter circuitry, and I2C communication. Ideal for environmental sensing, scientific experiments, air quality and ventilation research, and other […]
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MC 4.0 CO2L Unit with Temperature and Humidity Sensor:
UNIT CO2 is a photoacoustic Carbon Dioxide (CO2) Unit that detects the CO2 PPM (parts-per-million) composition of ambient air. With a built-in Sensirion SCD40 sensor, power by Buck converter circuitry, and I2C communication. Ideal for environmental sensing, scientific experiments, air quality and ventilation research, and other applications.
Benefits of the kit

- Measures CO2 concentration (PPM) for indoor air quality, classrooms, labs, or ventilation studies
- Tracks temperature and humidity alongside CO2 levels for comprehensive environmental monitoring
- Supports I2C communication for easy integration with MC4.0 controllers and microcontrollers
- Built-in Buck converter (5V → 3.3V) ensures stable and reliable power
- Compact design with HY2.0-4P interface and brick holes for easy mounting in projects
- Ideal for environmental science experiments, air quality monitoring, and smart ventilation systems
- Provides real-time, accurate data for research, STEAM education, and IoT applications
- Classroom-ready, making it perfect for hands-on STEAM learning and environmental projects
Product Features
- CO2 concentration detection
- Temperature and humidity measurement
- I2C communication (Add: 0x62)
- Integrated 5V -> 3.3V Buck converter
- 2x Brick holes
- HY2.0-4P interface
Applications
- Environmental sensing
- Air quality
- Ventilation studies










