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MIKROE Temp&Hum 15 Click

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MIKROE Temp&Hum 15 Click is a compact add-on board that contains the 4th generation of best-in-class SHT humidity sensing solution from Sensirion. This board features the SHT40, a high-accuracy ultra-low-power 16-bit relative humidity, and temperature sensor. It provides constant temperature accuracy, up to 0.1°C, and shows the best performance when operated within the recommended average temperature and humidity range of 5-60°C and 20-80%RH. The fully calibrated sensor offers linearized digital output, NIST traceability, and I2C Fast Mode Plus. It is reflow solderable and operational in condensing environments. This Click board™ is an ideal solution to be used in various temperature and humidity-related applications.

Temp&Hum 15 Click as its foundation uses the SHT40, high-accuracy ultra-low-power 16-bit relative humidity and temperature sensor from Sensirion. The SHT40 builds on a wholly new and optimized CMOS chip that offers reduced power consumption and improved accuracy specifications. It provides a fully calibrated digital I2C Fast Mode Plus interface for the fastest data transfer. It covers extended operating humidity and temperature ranges from 0 to 100%RH and from -40°C to 125°C with accuracies of ±1.8%RH and ±0.2°C. The SHT40 also has a power-trimmed internal heater which can be used at three heating levels enabling sensor operation in demanding environments.

The sensor shows the best performance when operated within the recommended average temperature and humidity range of 5-60°C and 20-80%RH. Long-term exposure to conditions outside recommended normal range, especially at high relative humidity, may temporarily offset the RH signal. After returning to the recommended average temperature and humidity range, the sensor will recover to within specifications by itself.

Temp&Hum 15 Click communicates with MCU using standard I2C 2-Wire interface. Since the sensor for operation requires a 3.3V logic voltage level only, this Click board™ also features the PCA9306 voltage-level translator from Texas Instruments. The I2C interface bus lines are routed to the dual bidirectional voltage-level translator, allowing this Click board™ to work with both 3.3V and 5V MCUs properly.

This Click board™ can operate with both 3.3V and 5V logic voltage levels selected via the VIO SEL jumper. This way, it is allowed for both 3.3V and 5V capable MCUs to use the I2C communication lines properly. However, the Click board™ comes equipped with a library that contains easy-to-use functions and an example code that can be used, as a reference, for further development.

  • Interface: I2C
  • Compatibility: mikroBUS™
  • Dimensions: 28.6 x 25.4mm
  • Input Voltage: 3.3V or 5V
  • Temperature Accuracy: ±0.2°C
  • Relative Humidity Accuracy: ±1.8%RH
  • Resolution: 0.01%RH
  • Operating Humidity Range: Min. 0%RH, Max. 100%RH
  • Operating Temperature Range: Min. -40°C, Typ. +25°C, Max. +125°C

MIKROE Temp&Hum 15 Click Product Help and Resources

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