в любом смартфоне целая пачка датчиков (!)

Accelerometer
Air Humidity Sensor
Ambient Light Sensor
Barcode/QR Code Sensors
Barometer
Fingerprint Sensor
Geiger Counter
Global Positioning System (GPS)
Gyroscope
Heart Rate Sensor
Magnetometer
Microphone
Pedometer
Proximity Sensor
Soli sensor
Thermometer
Touchscreen Sensors