Solarmi CO2 sensor ESPHome

Xtend Solarmi ESP32C34M — CO2 sensor for smart homes

Improving indoor air quality is essential for health and well-being. The Xtend Solarmi ESP32C34M is a CO2 sensor that uses advanced Sensirion technologies such as PASens and CMOSens for accurate measurements using the NDIR photoacoustic principle. With the integrated SHT4x humidity and temperature sensor, it offers automatic signal compensation, ensuring reliable and consistent results. This sensor is ideal for smart home systems built on the ESPHome and Home Assistant platforms, enabling efficient ventilation control and CO2 reduction for a healthy and productive environment.

Accurate measurement and data reliability

The Xtend Solarmi ESP32C34M is designed for high-precision measurement with a 400-2000 ppm range and an accuracy of ±50 ppm, ensuring detailed air quality monitoring. The integrated auto-calibration function increases data reliability, which is crucial for applications requiring long-term stability. This sensor is ideal for automation based on the presence of people or changes in the environment.

Compact and flexible integration

Thanks to the support of SMD mounting, the sensor can be easily integrated into various devices, saving space and simplifying the design. This allows flexible use in various applications, such as air quality monitors or intelligent ventilation systems. ESPHome compatibility ensures easy connection with other smart home devices.

Technical data

• Input voltage: USB (5V/1A)
• Wi-Fi: 2.4 GHz (ESP32C3 chip)
• CO2 measurement range: 400-2000 ppm
• Measurement accuracy: ±50 ppm

Smart home compatibility

This sensor is specially designed for Home Assistant and ESPHome systems, allowing local control without dependence on cloud services. Products marked "Made For ESPHome" guarantee seamless integration and maximum freedom when setting up automations.