The 7Semi SHT21 Humidity and Temperature Sensor Breakout is a high-performance, compact solution engineered for precise environmental sensing. Equipped with a highly reliable digital sensor, this breakout board offers accurate temperature and humidity data via an I2C interface, making integration into existing systems straightforward and efficient. Designed to operate flawlessly with both 3.3V and 5V systems, it is an ideal choice for engineers, developers, and researchers seeking dependable sensor performance across a wide range of environments.
With a temperature measurement range from -40°C to +125°C and a high-resolution relative humidity output, the SHT21 sensor is suitable for a broad array of applications—from home automation and HVAC systems to laboratory equipment, greenhouse management, and industrial monitoring. Its compact 19mm x 19mm form factor allows easy incorporation into space-constrained projects, while its low power consumption makes it perfect for battery-operated or energy-sensitive systems.
Key Features
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Wide Temperature Range: Measures from -40°C to +125°C, ensuring suitability for both extreme and ambient conditions.
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Accurate Humidity Sensing: Provides precise relative humidity data, ideal for environments where moisture monitoring is critical.
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I2C Digital Interface: Enables seamless communication with microcontrollers, minimising wiring complexity.
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Voltage Compatibility: Fully operational with both 3.3V and 5V systems, offering broad hardware integration flexibility.
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Compact Design: Measures only 19mm x 19mm, easily fitting into constrained spaces without compromising performance.
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Low Power Consumption: Optimised for energy-efficient applications, supporting extended usage in portable and embedded systems.
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Robust and Reliable: Built with high-quality materials, delivering consistent and long-lasting performance in varied conditions.
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Ideal for Multiple Applications: Perfect for smart homes, data loggers, environmental monitoring, IoT devices, and more.
SHT21 Breakout I2C Connections to Arduino
SHT21 Digital Humidity Sensor Breakout (RH/T) Comparison Table
- Operating Voltage:
- 3.3V/5V
- Interface:
- I2C
- Temperature Range:
- -40 to 125 C
- Humidity Range:
- 0~100%rh
- Humidity Accuracy:
- +/- 2 %
- Temp Accuracy:
- +/- 0.3 C
- Dimensions:
- 19mm x 19mm
- Holes size:
- 3.0mm
