Compass and magnetic field sensor modules are integrated modules designed to detect and measure magnetic fields, including compass headings and magnetic field strengths. These modules typically combine magnetic sensor elements, signal conditioning circuitry, and interface components into compact packages for easy integration and use. Compass modules provide accurate directional information, enabling applications such as navigation systems, augmented reality devices, and electronic compasses. Magnetic field sensor modules measure the strength and polarity of magnetic fields, finding applications in metal detection, proximity sensing, and magnetic anomaly detection. These modules offer advantages such as simplicity, versatility, and plug-and-play functionality, making them suitable for various consumer electronics, IoT devices, and industrial applications requiring magnetic field sensing capabilities.