Compass 2 Click carries the AK8963 3-axis electronic compass. The AK8963 sensor is based on the Hall effect. The Click is designed to run on a 3.3V power supply only. It communicates with the target microcontroller through either I2C or SPI interface, with additional functionality provided by the INT pin on the mikroBUS™ line.
The built-in ADC converter can be set up at either 14 or 16 bit resolution, for each of the 3 axes. The sensitivity is 0.6µT/LSB typ. at 14-bit, and 0.15µT/LSB at 16-bit.
AK8963 incorporates magnetic sensors for detecting terrestrial magnetism in the X-axis, Y-axis, and Z-axis, a sensor driving circuit, signal amplifier chain, and an arithmetic circuit for processing the signal from each sensor.
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