Key facts
| Product type Miniature CO2 sensor based on thermal conductivity sensing principle | Measures CO2 concentration in ppm | Features Smallest form factor and low current consumption |
STCC4 CO2 sensor
Start testing the STCC4 CO2 sensor with the evaluation kit
Includes STCC4 development board, adapter cable and jumper wire set. Requires SEK-SensorBridge.
Product catalogueStart prototyping
Find everything you need here.
STCC4 offers one of the smallest form factors on the market for direct measurement of CO2, unlocking new applications previously limited by size and cost constraints. Designed for seamless integration into compact electronic devices, the sensor is a groundbreaking newcomer in the CO2 sensor market.
Utilizing the latest technological advancements in thermal conductivity sensing, the fully factory‑calibrated STCC4 provides the accuracy needed for indoor air quality applications at a low current consumption. Both accurate signal compensation and monitoring of relevant indoor environmental parameters are achieved when STCC4 is combined with our industry-leading temperature and humidity sensors. Optimized for high volume assembly through its SMD design and tape & reel packaging, it is suitable for a wide range of applications, including indoor air quality monitors, smart thermostats, air conditioners and much more.
Getting started with Arduino
Getting started with Raspberry Pi
Getting started with Python
Getting started with Embedded
| STCC4 embedded driver | Generic driver that can be ported to new microcontrollers with little effort |
| STCC4 Arduino driver | C++ Arduino library to work with STCC4 via I2C |
| STCC4 Raspberry Pi driver | C Raspberry library to work with STCC4 via I2C |
| STCC4 Python driver | Python driver to work with STCC4 via I2C |
Evaluate without writing code
In just three simple steps, you will be collecting valuable data without needing any coding or soldering skills.
How it works
- Order a SEK-SensorBridge and a SEK-STCC4 via our distribution network
- Download the SEK-ControlCenter viewer software (available for Windows, Linux and MacOS)
- Connect the STCC4 development board to your computer by using a SEK-SensorBridge and start measuring
Find out what the evaluation kit holds
STCC4 development board
The STCC4 CO2 sensor and the SHT4x temperature and humidity sensor are integrated on a compact breakout board, designed for easy prototyping and sensor performance testing. The STCC4 CO2 sensor on the breakout board is compensated for temperature and humidity by the SHT4x sensor through the recommended application circuit.
Adapter cable to connect the STCC4 development board to SensorBridge
Jumper wire set to connect the STCC4 development board to embedded platforms
Cable configuration:
- Black = GND ground
- Red = VDD supply voltage
- Green = SDA serial data input/output
- Yellow = SCL serial clock input
Discover the STCC4 featured breakout board
Environment 7 Click
Environment 7 Click is a compact board for indoor monitoring, combining precise CO₂, temperature, and humidity sensing. Its low power use and flexible design suit smart thermostats and air quality systems.
Product on MikroElektronikaDiscover more
Explore the STCC4 sensor through our videos.