7Semi SHT40 SGP40 VOC Environmental Monitoring Sensor Module Qwiic-Ready
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7Semi SHT40 SGP40 VOC Environmental Monitoring Sensor Module Qwiic-Ready The 7Semi SHT40 + SGP40 VOC Environmental Monitoring Sensor Module is designed to help you measure temperature, humidity, and air quality with high accuracy and minimal effort. Built with advanced SHT40 and SGP40 sensing technology, this compact module delivers precise data for temperature (–40°C to 125°C), humidity (0–100% RH), and VOC levels with excellent response time and reliability. Whether you're prototyping with Arduino, Raspberry Pi, or any I2C-based microcontroller, the Qwiic-compatible interface makes integration incredibly simple and clean. This breakout board is ideal for home automation, indoor air-quality projects, workplace monitoring, or industrial systems where accurate VOC readings matter. Its low power consumption and digital 16-bit output make it highly suitable for long-term IoT deployments, high-precision environmental sensing projects, and portable air-quality monitors. Features: Designed as a compact breakout board integrating the SHT40 high-precision temperature and humidity sensor and the SGP40 VOC sensor for reliable environmental monitoring. Offers fast and accurate measurements, including ±0.2°C temperature accuracy and ±1.8% RH humidity accuracy, ensuring dependable readings in various environments. Qwiic-compatible interface enables effortless plug-and-play connectivity with I2C-enabled microcontrollers and SBCs without soldering. Produces 16-bit digital raw and processed VOC Index signals for easy integration into data-logging, automation, or IoT systems. Ensures low power consumption, making it suitable for battery-powered and continuous-monitoring applications. Built to detect a wide range of volatile organic compounds such as ethanol, acetone, and formaldehyde with high sensitivity and quick response times. Board Dimensions: Arduino I2C Connection Diagram:
- Measures temperature, humidity, and VOC levels with high precision for reliable environmental monitoring.
- Combines SHT40 and SGP40 sensors to deliver fast, accurate, and stable air-quality readings.
- Qwiic-ready design ensures effortless I²C integration with microcontrollers and development boards.
- Ideal for indoor air-quality tracking in smart homes, workplaces, and compact IoT projects.
- Low-power, compact module suitable for continuous monitoring applications.
- Interface I2C
- Supply Voltage 3.3V / 5V
- Current Consumption 2.6 to 3.5 mA
- Measurement Range 0–1,000 ppm ethanol equivalents
- Output 16-bit digital raw VOC signal
- Processed Output Digital VOC Index
- Temperature Range –40°C to 125°C
- Temperature Accuracy ±0.2°C
- Humidity Range 0–100% RH
- Humidity Accuracy ±1.8% RH
- VOC Response Time < 10 s (τ63%)
- Humidity Response Time 6 s (τ63%)
- Limit of Detection 0.05 ppm ethanol equivalents
- Switch-On Time 60 s
- Power Characteristics Ultra-low power consumption suitable for IoT devices