Important facts about modern technology
Main Sensors in a Smartphone and Their Functions No. Sensor Name What It Does (Function) Used In 1️⃣ Accelerometer Measures linear acceleration (movement and tilt) along X, Y, Z axes. Screen rotation, step counting, shake detection 2️⃣ Gyroscope Measures rotation and angular velocity (how fast the phone turns). Gaming, VR/AR, panorama camera mode 3️⃣ Magnetometer Detects magnetic fields → helps find direction (like a compass). Maps, compass apps, location accuracy 4️⃣ Proximity Sensor Detects how close an object is to the screen. Turns screen off during a call 5️⃣ Ambient Light Sensor Measures surrounding light intensity. Auto screen brightness adjustment 6️⃣ GPS (Global Positioning System) Uses satellites to find location. Maps, navigation, tracking, geotagging 7️⃣ Fingerprint Sensor Reads unique fingerprint patterns. Security, phone unlock, payments 8️⃣ Barometer Measures air pressure → helps calculate altitude. Weather apps, GPS accuracy, fitness tracking 9️⃣ Temperature Sens...
