WTMotion JY-RM3100 High-Precision Magnetometer Sensor Module | 3-Axis Digital Magnetic Field Sensor

The module operates from 2.7 to 3.6 volts DC. It is crucial to stay within this range to ensure proper sensor operation and avoid damage to the integrated MagI2C control chip and geomagnetic sensors.

The module uses the I2C (Inter-Integrated Circuit) protocol for communication. The onboard MagI2C chip acts as a bridge, managing the three geomagnetic sensors and providing a standard two-wire digital interface for easy connection to microcontrollers like Arduino or Raspberry Pi.

The cycle count is a configurable oversampling parameter for the internal sensors. A higher count increases measurement time but improves resolution and reduces noise. The specified 13 nT resolution and 15 nT noise are achieved at a cycle count setting of 200, offering an optimal balance between speed and precision for most applications.

The module is designed for surface-mount (SMT) soldering directly onto a PCB. The included header pins can be soldered to the module's pads for prototyping or breadboard use. Ensure your design accommodates the 15mm x 15mm footprint and provides a clean 3.3V power supply.