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    • SHT4x Humidity and Temperature Sensors
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      Start testing our sensors

      Here you can find all information for evaluating and testing Sensirion's latest sensor solutions. From drivers and software to tutorials and quick start guides - we try to offer all tools necessary so that you can kick-start your application!

  • Partner Spotlight
    • Partner Spotlight SparkFun
    • Partner Spotlight MikroElektronika
    • Partner Spotlight Seeed
  • Archive
    • Platforms
      • Environmental Sensor Shield
      • Smart Gadget Development Kit
      • Wearable Development Kit
      • Raspberry Pi
      • Qualcomm Snapdragon
      • Arduino
      • Cypress PSoC Series
      • Generic Linux Support
      • Thingstream MQTT IoT Sensor Starter Kit
    • Applications
      • Sensors for Ventilation
      • CO2 Monitor Reference Design
      • SHTC3 BLE Beacon Development Kit
      • Directional Wind Meter Using SDP3x
      • Smart Speaker
      • Archive
        • On/Off Body Detection
        • Perspiration
        • Antifogging in VR Goggles
    • Labs
      • #21 - Using an RJ45 Breakout Board Connect with Evaluation Kit Cables
      • #20 - Integrate Flex-PCB Sensors into Prototyping Setups
      • #19 - Smart Factory Particle Monitor Network
      • #18 - Inhalation Application Benefits
      • #17 - Sleep Analysis and Pulse Monitor
      • #16 - Thermal Comfort Sensor
      • #15 - Anti-Fogging for Bathroom Mirrors
      • #14 - Improved Puff Sensing of Inhalation Devices
      • #13 - Spirometer
      • #12 - Breath Detection
      • #11 - Stress, Mood and Emotion Sensing
      • #10 - CO2 Sensing in Car
      • #9 - Milk Fat Concentration Sensor
      • #8 - Presence Detection with IR Sensor
      • #7 - RH Sensor Trigger for BLE Beacon
      • #6 - Smart Inhaler
      • #5 - Windshield Ice Detector
      • >> See All Labs Ideas
    • Tutorials
      • Wearable Development Kit: Build Your Own Device
      • Wearable Development Kit: Logging Data
      • Raspberry Pi: SFM Software Package
      • Raspberry Pi: Alexa with Indoor Air Quality
      • Raspberry Pi: Using Flow Sensors
      • Raspberry Pi: Weather Station
      • Arduino: Create Your Own CO2 Monitor
      • Arduino: Stand-Alone Liquid Flow Meter
      • Arduino: Interface for Liquid Flow Sensors
      • Arduino: Weather Station
      • Arduino: Closed Loop Volume Controller Using Liquid Flow Sensors
      • Arduino: Interface for Multiple SF06 Liquid Flow Sensors
      • Arduino: Interface for SF06 Liquid Flow Sensors with Level Shifter
      • Arduino: CAN Bus Flow Meter
Sensirion AG Switzerland
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  • SGP41 VOC+NOx Sensor

SGP41 VOC and NOx Sensor

The SGP41 is Sensirion’s new VOC and NOx sensor designed as digital smart switch and regulation unit for air treatment devices such as air purifiers. The two sensor signals processed by Sensirion’s powerful Gas Index Algorithm can be directly used to automatically trigger the removal of indoor air gas pollutants by air treatment devices without the need for user–device interaction. This sensor solution is thus well-suited for constantly monitoring the VOC and NOx situation including potentially harmful events which are not perceived by humans. Furthermore, an automatic control of air treatment devices based on the SGP41 signals helps to save energy by turning them off once the VOC and/or NOx events have been taken care off.

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  • Content Evaluation Kit
  • Evaluation Kit Quick Start
  • Software, Drivers and Tutorials
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  • Resources
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  • Further information

Content Evaluation Kit SEK-SVM4x

  • SVM41 Development Board
    SGP41 VOC+NOx sensor and SHT40 humidity and temperature sensor 
    UART and I2C interface via 6-pin Molex Micro-Lock Plus connector
    Supply voltage VDD: 3.3 or 5.0 V
    Size: 39.0 x 15.0 x 5.5 mm3
  • USB-UART cable (6-pin) to connect the SVM41 development board directly to a USB port, e.g. on a PC
  • Jumper wire set (6-pin Micro-Lock Plus cable set) to connect the SVM41 development board to embedded platforms like Arduino, Raspberry Pi, etc.
    A 10-pin 0.1" pitch-gender changer is also provided.
    Cable configuration:
    Red cable = VDD
    Black cable = GND
    Green cable = SDA (I2C) or RX (UART)
    Yellow cable = SCL (I2C) or TX (UART)
    Blue cable = SEL (interface select – connect to GND for I2C, connect to VDD or leave open to select UART)
    Purple cable = NC (do not connect)

Evaluation Kit Quick Start

Start evaluating your SGP41 VOC+NOx sensor in two simple steps:

1) Either download the SEK-ControlCenter viewer software (available for Windows, Linux and MacOS) or download one of our example drivers for your embedded platform (see links below). A simple step-by-step quick start guide can be found here.

2) Connect the SVM41 development board to your computer/embedded platform with the help of the adapter and start measuring


Software, Drivers and Tutorials

Software and Drivers

  • SEK-ControlCenter Viewer Software
  • SVM41 drivers for Arduino, RasperryPi/Linux, embedded-C, and Python
  • SGP40 drivers for Arduino, RaspberryPi/Linux, embedded-C, and Python
  • SGP41 drivers for Arduino, RaspberryPi/Linux, embedded-C, and Python
  • SVM41 Firmware

Tutorials

  • SVM41 Arduino BLE Gadget

Breakout Boards

Adafruit

  • SGP40 VOC Sensor

Sparkfun

  • SGP40 VOC Sensor

MikroElektronika

  • SGP40 VOC Sensor

DFROBOT

  • SGP40 VOC Sensor

Resources

Important Documents SGP40 and SGP41

  • Datasheet SGP40
  • Datasheet SGP41
  • Datasheet SHT4x
  • SGP4x STEP File
  • SGP4x Altium Footprint
  • Handling and Assembly Instructions
  • Design-In Guide
  • Quick Testing Guide SGP40
  • Quick Testing Guide SGP41

Important Documents Evaluation Kit SEK-SVM4x

  • Technical Description SEK-SVM4x
  • I2C Interface Description SEK-SVM4x
  • UART Interface Description SEK-SVM4x
  • Reference Design
  • Quick Start Guide ControlCenter SEK-SVM4x

Videos


Further Information

SGP41 Product Page

Click here to learn more about the SGP41, its key features and use cases.

Indoor Air Quality

Click here to learn more about the importance of indoor air quality and how it effects your health.

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