STEVAL-MKI071V1

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The STEVAL-MKI071V1 is a powerful evaluation board for magnetic sensors. It consists of an onboard power supply and power management, sophisticated communications capabilities including FETs, LEDs, buttons, analog and digital transducers and many other components enabling complete control and monitoring of the system.

The STEVAL-MKI071V1 is designed to facilitate accurate and repeatable measurements of the Earth\'s magnetic field through the use of three types of magnetic sensors – Hall Effect (HE), Giant Magneto Resistive (GMR) and Anisotropic Magneto Resistive (AMR). It features a wide range of sensing capabilities covering frequencies up to 10 kHz and a wide range of magnetic field strength. As such, the STEVAL-MKI071V1 is an ideal solution for applications in automotive, consumer, medical, industrial, and military.

The STEVAL-MKI071V1 boasts versatile features, such as digital filters, a low-voltage operation (2.4V/3.3V), a real-time clock, and a fast SPI/I2C interface. Its programmable registers allow the sensor to be configured according to the application’s requirements.

The STEVAL-MKI071V1 features the latest version of the iCUBE-LRWAN-L072Z-OPEN software stack from STMicroelectronics, which offers full support for hardware and software development and provides complete support for the cloud/LoRaWAN stack. This allows users to monitor the magnetic field environment and take appropriate actions accordingly.

The working principle of the STEVAL-MKI071V1 lies in the use of Hall effect, GMR, and AMR sensors to measure the Earth\'s local magnetic field. The onboard sensors detect changes in the vertical component of the magnetic field vector over a range of typical Earth\'s magnetic field. When the sensors detect a magnetic field change, the on-board circuit transforms the magnetic field strength into electrical signals, which are then converted to corresponding data values. The interpreted data is then output in the form of analog-to-digital (A/D) conversion. To start the process of data capturing, the user needs to apply a supplied power supply voltage source.

The STEVAL-MKI071V1 is a powerful and versatile evaluation board for magnetic sensors that enables accurate and repeatable measurements of the Earth\'s magnetic field. Thanks to its wide range of sensing capabilities, low-voltage operation, fast SPI/I2C interface, and flexible programmable registers, the board can be used for a variety of applications.

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