7Semi SHT40 Temperature & Humidity Sensor Tiny Breakout I2C Qwiic Compatible

The 7Semi SHT40 Temperature and Humidity Sensor Tiny Breakout is a compact, high-precision digital sensor board designed for accurate humidity and temperature measurement. Based on the latest Sensirion SHT40 sensor, it offers superior accuracy, fast response, and excellent long-term stability. The breakout board features an I2C interface and is Qwiic compatible, allowing easy plug-and-play connectivity with microcontrollers and IoT development platforms. It is ideal for applications requiring reliable environmental monitoring in a small and efficient form factor.

Technical Specifications:

• Sensor Model: SHT40
• Measured Parameters: Relative Humidity and Temperature
  
• Communication Interface: I2C (Qwiic compatible)
  
• Supply Voltage: 2.4 V to 5.5 V
  
• Humidity Range: 0% to 100% RH
• Humidity Accuracy: ±1.8% RH (typical at 25°C)
  
• Temperature Range: -40°C to +125°C
  
• Temperature Accuracy: ±0.2°C (typical at 25°C)
  
• Output Type: Digital (I2C, 7-bit address)
  
• Response Time: ≤ 8 seconds (humidity), ≤ 5 seconds (temperature)
  
• Power Consumption: <1 mA during measurement
  
• Board Type: Tiny breakout with Qwiic connector and solderable header pads
  
• Operating Temperature: -40°C to +125°C
  

Features:

• Latest-generation SHT40 sensor for precise humidity and temperature sensing
• Fully calibrated and compensated digital output
• Qwiic-compatible I2C interface for quick and solder-free connection
• Wide supply voltage range suitable for 3.3 V and 5 V systems
• Low power consumption ideal for battery-operated devices
• Compact form factor for space-constrained applications
• Fast response time and excellent repeatability
• Reliable long-term performance with minimal drift

Applications:

• Environmental and air-quality monitoring systems
• IoT and smart home devices
• Weather stations and data loggers
• Industrial and agricultural process control
• HVAC and building automation
• Wearable and portable environmental sensors
• Educational and research projects requiring high-accuracy sensing