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MIKROE 13DOF 2 Click

13DOF 2 Click is an advanced 13-axis motion tracking Click board™, which utilizes two different sensor ICs onboard: BME680, Volatile Organic Compounds (VOCs), humidity, pressure and temperature sensor and BMX160, a 9-axis sensor consisting of a 3-axis, low-g accelerometer, a low power 3-axis gyroscope and a 3-axis geomagnetic sensor. Both integrated sensor ICs are made by Bosch Sensortec, featuring the state-of-the-art sensor technology processes, in order to fulfill the requirements for immersive gaming and navigation applications, which require highly accurate sensor data fusion. Besides that, 13DOF 2 Click is also perfectly suited for use in many other applications such as mobile phones, tablet PCs, GPS systems, Smart watches, Sport and fitness devices, and many more.

13DOF 2 Click is supported by a mikroSDK compliant library, which includes functions that simplify software development.

The BME680 is a digital 4-in-1 sensor with VOC, humidity, pressure and temperature measurement based on proven sensing principles, housed in an extremely compact metal-lid LGA package. Its small dimensions and its low power consumption enable the integration in battery-powered or frequency-coupled devices, such as handsets or wearables. The BMX160 is a highly integrated, low power 9-axis sensor that provides precise acceleration and angular rate (gyroscopic) and geomagnetic measurement in each spatial direction. It integrates the 16-bit digital, triaxial accelerometer, 16-bit digital, triaxial gyroscope, and a geomagnetic sensor. 13DOF 2 Click has these two ICs integrated onboard, which makes it a very powerful motion and sensing applications designing tool.

13DOF 2 Click is based on the BME680 and the BMX160 sensor from Bosch Sensortec. Altogether, this Click board™ integrates a triaxial accelerometer, triaxial gyroscope, geomagnetic, VOC, humidity, pressure and temperature sensors on the single board. This allows very high integration and very small dimensions, at an affordable cost. The output of each MEMS is processed, digitized and available through the I2C or SPI communication interface. The data can be oversampled by the sensor ICs by themselves, in order to achieve as reliable data readings as possible.

As already mentioned, the BMX160 - a small, high performance, low power 9-axis sensor is in charge for the accelerometer gyroscope and geomagnetic measurements. It features very low power consumption: typ. 1585 µA in high performance mode or down to only 4 µA suspend mode. It has built-in timing unit to synchronize the sensor data, as well as the integrated 1024 byte FIFO buffer, in order to support low power applications and prevent data loss in non-real-time systems. The intelligent FIFO architecture allows dynamic reallocation of FIFO space for accelerometer, gyroscope and magnetometer, respectively. For typical 9-DoF applications, this is sufficient for approximately 0.5 s of data capture.

Besides the mentioned above, BMX160 also features an on-chip powerful programmable interrupt engine with two dedicated interrupt pins, enabling low-power motion-based context awareness. The interrupt engine can detect many different events, including any or no-motion detection, tap or double tap sensing, orientation detection, activity and inactivity recognition, Data Ready, FIFO full / FIFO watermark events, and more. Any of these events can be independently mapped to the above mentioned 2 interrupt output pins, via user programmable parameters. The INT 1 pin is routed to the mikroBUS™ INT pin, while the INT 2 pin is routed to the mikroBUS™ PWM pin. These pins are labeled as IT1 and IT2 on the Click board™, respectively. The datasheet of the BMX160 offers a full list of outputs and features, each with a detailed explanation.

On the other side, the BME680 - a small, high performance, low power, 4-in-1 sensor is in charge for the gas, humidity, pressure and temperature measurements. It also features very low power consumption, for example, 3.7 µA is typical at 1 Hz humidity, pressure and temperature measurement mode. It also features a very high accuracy humidity sensor (tolerance ±3% r.H. and hysteresis ±1.5% r.H.), pressure sensor with only 0.12 Pa RMS Noise (equivalent to to 1.7 cm of altitude) and a very low temperature offset drift, and a gas sensor with direct indoor air quality (IAQ) index output system. In principle, the IAQ index output is in an index that can have values between 0 and 500 with a resolution of 1 to indicate or quantify the quality of the air available in the surrounding. It greatly simplifies the categorization of the air quality measurements.

13DOF 2 Click supports both SPI and I2C communication interfaces, allowing it to be used with a wide range of different MCUs. The communication interface can be selected by moving SMD jumpers grouped under the COMM SEL to an appropriate position (SPI or I2C). The peripheral I2C address can also be configured by an SMD jumper when the Click board™ is operated in the I2C mode an SMD jumper labeled as ADDR SEL is used to set the least significant bit (LSB) of the I2C address. Given that this is a dual IC Click board™, it has two chip select pins, marked as CS1 and CS2, which are routed to the CS and RST pins on the mikroBUS™, respectively.

This Click board™ uses both I2C and SPI communication interfaces. It is designed to be operated only with up to 3.3V logic levels. Proper conversion of logic voltage levels should be applied, before the Click board™ is used with MCUs operated at 5V.

  • Interface: I2C, SPI
  • Compatibility: mikroBUS™
  • Dimensions: 42.9 x 25.4mm
  • Input Voltage: 3.3V

MIKROE 13DOF 2 Click Product Help and Resources

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