Smartphones are equipped with a variety of sensors that extend their functionality beyond basic tasks. Among these sensors, the accelerometer and gyroscope are particularly noteworthy, as they are integral to features like screen rotation and step counting. However, these sensors can also assist users in practical ways, such as ensuring that pictures or posters are hung straight. By utilizing various applications, smartphones can function as level tools, providing visual feedback that enhances convenience during simple home projects.
Another important sensor is the magnetometer, commonly associated with compass applications in navigation tools like Google Maps. This sensor can also serve a practical purpose when mounting items on walls. By slowly moving the phone across a surface, users can detect magnetic fields that indicate the presence of metal, such as studs or nails behind drywall. While it should not replace dedicated tools for professional tasks, the magnetometer can be a helpful first step in locating structural elements.