STEVAL-MKI107V2

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STEVAL-MKI107V2 is a board that is used to evaluate the performance of the MEMS accelerometer and angular rate sensor, the STMicroelectronics LIS3DH. It would allow engineers and designers to gain deeper insight into the data and the way the accelerometers work. It is a self-contained and versatile board that provides direct access to all the data generated by the motion sensors. This board has been designed to simplify the development process for motion sensing applications, making it easy for engineers and designers to integrate motion sensors into their designs.

Applications of STEVAL-MKI107V2 mainly involve the development and measurement of user motion, including activity, environment and performance monitoring. It is intended for use in applications that require low power consumption, allowing the evaluation of the MEMS accelerometer and angular rate sensor without sacrificing performance. This device is also suitable for applications in automotive, robotics, consumer electronics, medical and industrial sectors.

The STEVAL-MKI107V2 has an operating voltage of 5.5V and contains an ARM Cortex-M3 32-bit Command Processor (CP) that allows users to configure the accelerometer and angular rate sensors as needed. It includes a Microchip MCP3428 Digital-to-Analogue Converter (DAC) which allows for higher accuracy data responses. The board also contains an Enhanced Wear Leveling Flash Memory which offers increased protection against data loss in the event of an unexpected power outage.

The STEVAL-MKI107V2 works on the principle of a “sample and holds” method for Single Tap Detection (STD). This is based on a comparison between the output of a sample and a reference value. If the sampled data is greater than the reference value, a transient is assumed to have occurred and a message is sent to the microcontroller. This process is repeated and a transient is assumed when the sampled data is less than the reference value. The advantage of this system is that the user has complete control over the sensitivity of the device which allows them to adjust it to ensure accurate results.

The STEVAL-MKI107V2 also provides an integrated signal conditioning feature. This feature allows the user to accurately measure the vibrations occurring from acceleration, deceleration, tilt and other motions in real time. This feature also allows for increase in the sampling frequency which results in a more accurate output of the signal.

Overall, the STEVAL-MKI107V2 is a versatile board that is ideal for use in motion sensing applications that require low power consumption and high accuracy data responses. It is a comprehensive solution for the evaluation of MEMS accelerometer and angular rate sensors. Its integrated signal conditioning feature also helps to ensure a higher accuracy in the data output of the device.

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