Abstract: The present disclosure provides an electronic device including a first sensing circuit, a second sensing circuit and a power line. The first sensing circuit includes a first sensing unit and a first transistor, and a first end of the first sensing unit is coupled to a control end of the first transistor. The second sensing circuit includes a second sensing unit and a second transistor, and a first end of the second sensing unit is coupled to a control end of the second transistor. A first end of the first transistor and a first end of the second transistor are coupled to the power line.

Abstract: The invention discloses a method and system for sharing wireless traffic, the method comprising: receiving a request for sharing the wireless traffic from a requesting mobile device, the request containing a list of unique numbers of other mobile devices within a certain range of distance from the requesting mobile device; selecting, for the requesting mobile device, at least one mobile device for sharing the wireless traffic from the received list; and sending, to the requesting mobile device, the unique number of the at least one selected mobile device and its connection channel password. By virtue of the method and apparatus according to the embodiments of the present invention, traffic can be shared among mobile devices' users without participation of mobile operators, thereby saving money for the users.