• MIKROE Barometer 4 Click - SEN-19000
  • MIKROE Barometer 4 Click - SEN-19000
  • MIKROE Barometer 4 Click - SEN-19000

MIKROE Barometer 4 Click

Item #: SEN-19000
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Price: $29.55 inc GST
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    MIKROE Barometer 4 Click is a compact add-on board used to measure air pressure in a specific environment. This board features the ICP-10111, a high accuracy low power barometric and temperature sensor from TDK InvenSense. The ICP-10111 is based on MEMS capacitive technology providing ultra-low noise at the lowest power, enabling industry-leading relative accuracy, sensor throughput, and temperature stability. It comes with a configurable host interface that supports I2C serial communication and measures pressure in a range from 30kPa up to 110kPa with an accuracy of ±1Pa over a wide operating temperature range. This Click board™ is suited for various pressure-based applications, especially when low power consumption is required, home appliances such as airflow control in HVAC, water level detection, vertical velocity monitoring, weather forecasting, and many more.

    Barometer 4 Click as its foundation uses the ICP-10111, an ultra-low power, low noise, digital output barometric pressure, and temperature sensor from TDK InvenSense. It is based on an innovative MEMS capacitive pressure sensor technology that can measure pressure in a range from 30kPa up to 110kPa with an accuracy of ±1Pa over a wide operating temperature range at the industry’s lowest power. This high accuracy MEMS capacitive pressure sensor can also measure altitude differentials down to 8.5cm without the penalty of increased power consumption or reduced sensor throughput.

    The ICP-10111 also offers industry-leading temperature stability of the pressure sensor with a temperature coefficient offset of ±0.5Pa/°C. The high accuracy, temperature stability, and low power consumption offered by ICP-10111 make it ideally suited for applications such as drone flight control and stabilization, indoor/outdoor navigation, sports and fitness activity monitoring, and battery-powered IoT.

    The ICP-10111 also requires a supply voltage of 1.8V to work regularly. Therefore, a small LDO regulator, BH18PB1WHFV from Rohm Semiconductor, provides 1.8V out of mikroBUS™ power rails. This LDO cut power consumption by lowering its current consumption to approximately 2μA when the application is operating in the Standby state.

    Barometer 4 Click communicates with MCU using a standard I2C 2-Wire interface that supports 400kHz Fast Mode operation. Since the sensor for operation requires a 1.8V 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 VCC 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.

    Features:

    • Interface: I2C
    • Compatibility: mikroBUS™
    • Dimensions: 28.6 x 25.4mm
    • Input Voltage: 3.3V or 5V
    • Operating Pressure Range: Min. 30kPa, Max. 110kPa
    • Accuracy: ±1Pa
    • Resolution: 0.01Pa
    • Operating Temperature Range: Min. -40°C, Typ. +25°C, Max. +85°C

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