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    12. Proximity Sensor
                     Proximity Sensor detects if an object is near the device without touching it. Used in phones
                     to turn off the screen during calls, smart door locks and gesture-based controls.

                     13. Thermometer Sensor

                     Thermometer Sensor measures the temperature around the device. Used in weather
                     apps, medical apps to check fever and smart home climate control.

                     THE ROLE OF SENSORS IN MODERN TECHNOLOGY

                     Sensors play an important role in modern technology by helping devices collect information
                     from their surroundings and make smart decisions. Below are some key areas where
                     sensors are transforming technology.

                     Making Apps Easy to Use
                     Sensors help make  apps more  fun  and interactive.  The  Accelerometer Sensor helps
                     control games by moving the phone. The Proximity Sensor turns off the screen when you
                     bring the phone close to your ear during a call.

                     Helping with Maps and Fitness
                     Sensors help people find their way and stay healthy. The GPS Sensor shows your real-
                     time location on a map. The Pedometer Sensor counts your steps when you walk or run,
                     helping you track your fitness.

                     Making Homes and Devices Smarter
                     Sensors make devices work automatically. The Light Sensor adjusts screen brightness
                     depending  on the  light  around  you.  The  Near Field  Communication  Sensor allows
                     contactless payments, making shopping easier and safer.

                     Keeping Things Safe and Secure

                     Sensors help protect information and secure devices. The Fingerprint Sensor locks and
                     unlocks phones. The Barcode Scanner is used to scan QR codes for payments and security
                     checks.

                     Helping Scientists and Businesses
                     Sensors collect  important information.  Environmental  Sensors check  air quality  and
                     temperature. The Gyroscope and Orientation Sensors help in virtual reality (VR) games
                     and apps.

                               PEDOMETER APP

                     A Pedometer App is an application that counts the number of steps a user takes while
                     walking or running. It uses a Pedometer Sensor to track movement and display the step
                     count on the screen.

                                                                                           Sensors and App Functionality  103

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