DFRobot Fermion SHT35 Digital Temperature & Humidity Sensor Breakout Board - I2C Interface
DFRobot Fermion SHT35 Digital Temperature & Humidity Sensor Breakout Board - I2C Interface - Image 2
DFRobot Fermion SHT35 Digital Temperature & Humidity Sensor Breakout Board - I2C Interface - Image 3
DFRobot Fermion SHT35 Digital Temperature & Humidity Sensor Breakout Board - I2C Interface - Image 4
SKU: SENS-2902
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DFRobot Fermion SHT35 Digital Temperature & Humidity Sensor Breakout Board - I2C Interface

â‚č1,879.00 (Inclusive of all taxes)
Out of Stock

The DFRobot Fermion SHT35 breakout board integrates Sensirion’s high-precision SHT35 sensor, providing accurate temperature (±0.2°C) and humidity (±1.5%RH) measurements for Arduino, ESP32, Raspberry Pi, and other 3.3V/5V microcontroller platforms via I2C communication.

Features

  • High-precision Sensirion SHT35 sensor with CMOSensÂź technology
  • Wide operating voltage range from 2.15V to 5.5V DC
  • Ultra-low operating current below 1.5 mA for battery-powered applications
  • Extended operating temperature range from -40°C to 125°C
  • Compact 20mm x 15mm breakout board with mounting holes

Out of stock

Description

The Fermion SHT35 breakout board leverages Sensirion’s industry-leading SHT35 digital sensor IC, which utilizes a capacitive polymer sensing element for humidity and a band-gap sensor for temperature. This integrated CMOSensÂź chip provides fully calibrated, linearized digital outputs via the I2C interface, ensuring excellent long-term stability and minimal signal conditioning requirements.

Designed for seamless integration into IoT and embedded systems, the board includes level-shifting circuitry to support both 3.3V and 5V logic levels. Its robust design offers strong noise immunity, making it suitable for applications in electrically noisy industrial environments or smart home devices where reliable environmental data is critical.

Key Features

  • Core Sensirion SHT35 sensor delivering ±0.2°C temperature and ±1.5%RH humidity accuracy
  • Wide supply voltage compatibility from 2.15V to 5.5V DC for flexible power sourcing
  • Ultra-low power consumption ideal for portable, battery-operated monitoring devices
  • I2C digital interface with selectable addresses for easy daisy-chaining
  • Onboard signal conditioning and pull-up resistors for plug-and-play operation
  • Compact PCB footprint (20 x 15 mm) with standard 2.54mm pitch header pins
  • Includes pre-soldered header pin for immediate prototyping and integration
  • High-reliability construction suitable for demanding environmental monitoring applications

Applications

  • HVAC system performance monitoring and climate control
  • Precision environmental data logging for agricultural and greenhouse automation
  • Indoor air quality (IAQ) monitoring in smart buildings and offices
  • Battery-powered portable weather stations and IoT sensor nodes
  • Industrial process monitoring where stable temperature/humidity feedback is required

Technical Specifications

Sensor ModelSensirion SHT35
Measurement Range (Temperature)-40°C to 125°C
Temperature Accuracy±0.2°C
Measurement Range (Humidity)0% to 100% RH
Humidity Accuracy±1.5% RH
Supply Voltage2.15 VDC to 5.5 VDC
Operating Current< 1.5 mA
Communication InterfaceI2C
Logic Level Compatibility3.3V, 5V
Board Dimensions (L x W)20 mm x 15 mm
Board Weight4 g

Frequently Asked Questions

What is the operating voltage range for this SHT35 breakout board?

The board supports a wide input voltage range from 2.15V to 5.5V DC. It includes onboard regulation and level shifting, making it directly compatible with both 3.3V and 5V microcontroller logic levels without requiring external components.

How do I connect this sensor to an Arduino or ESP32?

Connect the board using the standard I2C interface: VCC to your board's 3.3V or 5V pin, GND to ground, SDA to the corresponding I2C data pin (e.g., Arduino A4 or ESP32 GPIO21), and SCL to the I2C clock pin (e.g., Arduino A5 or ESP32 GPIO22). The included header pin simplifies wiring.

What is the accuracy and response time of the SHT35 sensor?

The integrated Sensirion SHT35 provides high accuracy with ±0.2°C for temperature and ±1.5% relative humidity. It features a fast response time, typically within a few seconds for humidity, and offers excellent long-term stability with auto-calibration, minimizing drift over time.

Can multiple SHT35 sensors be used on the same I2C bus?

Yes, the SHT35 sensor supports two selectable I2C addresses via its ADDR pin. This allows you to connect up to two sensors on the same I2C bus without address conflicts, which is useful for differential or multi-point environmental monitoring setups.

Is this sensor suitable for outdoor or industrial environments?

Yes, the SHT35 chip is designed for high reliability and features strong anti-interference performance. The breakout board provides easy mounting. For harsh outdoor conditions, consider adding a protective enclosure to shield the sensor from direct water exposure and contaminants.

Package Includes

  • 1 x DFRobot Fermion SHT35 Digital Temperature & Humidity Sensor Breakout Board
  • 1 x Header Pin Strip

Additional Information

Weight 0.004 kg
Dimensions 2 × 1.5 cm

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