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    • SCD4x CO2 Sensors
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    • SGP40 VOC Sensor
    • SHT4x Humidity and Temperature Sensors
    • Sensirion Products

      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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  • SHT4x Humidity and Temperature Sensors

Digital Humidity Sensor SHT4x (RH/T)

In line with Sensirion’s industry-proven humidity and temperature sensors, the SHT40 offers the best price-performance ratio on the market. Tape and reel packaging combined with its suitability for standard SMD assembly processes make the SHT4x ideal for high-volume applications.

The SHT40 builds on a completely new and optimized CMOSens® chip that offers reduced power consumption and improved accuracy specifications. With the extended supply voltage range from 1.08 V to 3.6 V, it’s the perfect fit for mobile and battery-driven applications. The exceptionally small size in a robust DFN housing enables integration into challenging designs while meeting the highest reliability demands, as demonstrated by the JEDEC JESD47 qualification.

Navigation

  • Integrate Flex PCB into Prototyping
  • Quick Start Guide
  • Software, Drivers and Tutorials
  • Breakout Boards
  • Resources
  • Further Information

Integrate Flex PCB into Prototyping

Sensirion’s evaluation kits for SHT and SGP sensors come with sensors on a Flex-PCB, that can be combined with our SensorBridge hardware and ControlCenter evaluation software for component level evaluation, without the need for any programming.

When the goal is to move to a prototyping stage, a number of third party companies like Adafruit, Sparkfun, Mikroelektronika, Pimoroni or Seeedstudio offer convenient breakout boards to connect our parts to development kits quickly and safely. Learn more


Evaluation Kit Quick Start

Start evaluating your SHT40 humidity and temperature sensor in three simple steps:

1) Download the SEK-ControlCenter viewer software (available for Windows, Linux and MacOS)

2) Connect the SEK-SHT40-Sensor to a SEK-SensorBridge

3) Connect the SEK-SensorBridge to your PC and start measuring

For more information, please visit: www.sensirion.com/sek


Software, Drivers and Tutorials

Software and Drivers

  • SHT4x Arduino Driver
  • SHT4x Raspberry Pi Driver
  • SHT4x Embedded Drivers
  • SHT4x Arduino Snippets

Breakout Boards

Adafruit SHT40

Adafruit's SHT40 breakout board features a STEMMA/QT connector to connect directly to compatible boards

More information

MikroElektronika Temp&Hum 15 Click

MikroElektronika's Temp & Hum 15 uses the Click footprint, and can be plugged into compatible development boards in a matter of seconds

More information

MikroElektronika Environment2Click

This board uses MikroElektronika's Click layout which allows solderless prototyping when using compatible platforms, and features an SHT40 in addition to the SGP40

More information


Resources

Important Documents SHT40 Humidity and Temperature Sensor

  • Datasheet SHT4x
  • Design Guide Humidity Sensors
  • Infosheet Handling Instructions Humidity Sensors
  • Application Note Humidity at a Glance
  • Application Note ESD/Latch-Up/EMC
  • Application Note Specification Statement and Testing

Further Information

SHT40 Product Page

Click here to learn more about the SHT40, 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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