Did you know that your smartphone can contain up to 18 different types of sensors? In this article we review them and explain what they can be used for! Table of content The different categories of sensors What is MEMS technology? The accelerometer - The gyroscope - The orientation sensor - The pedometer The thermometer - The barometer - The humidity sensor The Magnetometer - The GPS - The Lidar The photoelectric cell - The CMOS sensor - The heart rate sensor T