![Sensors | Free Full-Text | Authentication of Smartphone Users Based on Activity Recognition and Mobile Sensing Sensors | Free Full-Text | Authentication of Smartphone Users Based on Activity Recognition and Mobile Sensing](https://www.mdpi.com/sensors/sensors-17-02043/article_deploy/html/images/sensors-17-02043-g001.png)
Sensors | Free Full-Text | Authentication of Smartphone Users Based on Activity Recognition and Mobile Sensing
![Mago: Mode of Transport Inference Using the Hall-Effect Magnetic Sensor and Accelerometer | Semantic Scholar Mago: Mode of Transport Inference Using the Hall-Effect Magnetic Sensor and Accelerometer | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/af82ba688f122a1988eba0a201358b2b6352c1b8/10-Figure4-1-1.png)
Mago: Mode of Transport Inference Using the Hall-Effect Magnetic Sensor and Accelerometer | Semantic Scholar
![How does a compass work in smart phones? What sensors are used and how do they show the correct directions? - Quora How does a compass work in smart phones? What sensors are used and how do they show the correct directions? - Quora](https://qph.cf2.quoracdn.net/main-qimg-76337c2e8b18d4dd00d9cab300b0ce5a.webp)
How does a compass work in smart phones? What sensors are used and how do they show the correct directions? - Quora
![Buy Wholesale China App Remote Control Wireless Smart Zigbee Door Sensor Window Magnetic Sensor & Magnetic Sensor at USD 8 | Global Sources Buy Wholesale China App Remote Control Wireless Smart Zigbee Door Sensor Window Magnetic Sensor & Magnetic Sensor at USD 8 | Global Sources](https://p.globalsources.com/IMAGES/PDT/B1184650548/magnetic-sensor.jpg)