7Semi SCD40 CO2, Temperature & Humidity Sensor Breakout Module - I2C Interface
The 7Semi SCD40 breakout module integrates a high-accuracy photoacoustic NDIR CO2 sensor with temperature and humidity sensing, providing comprehensive environmental data via a digital I2C interface (address 0x62) for easy integration with Arduino, Raspberry Pi, ESP32, and other 3.3V/5V microcontroller platforms.
Features
- High-accuracy PASens photoacoustic NDIR CO2 sensing from 0 to 40,000 ppm
- Integrated temperature and humidity sensor for complete environmental monitoring
- Digital I2C communication with a wide 2.4V to 5.5V supply voltage range
- Ultra-compact breakout board design with pre-soldered header pins
- Features automatic self-calibration (ASC) for long-term stability (>10 years)
Out of stock
The SCD40 sensor module employs advanced photoacoustic NDIR (PASens) technology for precise CO2 concentration measurement, eliminating the need for a traditional infrared source and detector pair. This design enhances reliability and reduces power consumption. The module includes a fully calibrated digital sensor for temperature and relative humidity, providing compensated and accurate readings.
Its digital I2C interface outputs 16-bit data with a defined command structure, simplifying integration into embedded systems and IoT nodes. The wide operating voltage range ensures compatibility with both 3.3V and 5V logic systems, while the low power consumption makes it suitable for battery-powered applications in HVAC, smart building controls, and indoor air quality monitors.
Additional Information
| Weight | 0.003 kg |
|---|---|
| Dimensions | 3 × 2.3 × 0.8 cm |
