Since the iPhone came out, the sensors are widely used on mobile phones, gradually become important part of the phones hardware. Direction sensor is one. Although the mobile phone can be determined by GPS directions, but in the case of GPS signal is not good or no GPS signal, GPS is useless. Through the direction sensor (magneti...
Since the iPhone since the advent of the application, the sensor has been widely on cellphones, gradually become an important part of mobile hardware. Direction sensor is one of th...
Since the iPhone came out, the sensors are widely used on mobile phones, gradually become important part of the phones hardware. Direction sensor is one. Although the mobile phone ...