Android平台上Midware层源代码合集，包括GPS处理，WIFI，sensor，Power，Led等的管理。很全，很强大。-Midware layer on Android platform source code collection, including the GPS treatment, WIFI, sensor, Power, Led, such as management. Very wide, very powerful.

用Android手机连接串口服务器控制串口继电器开关来通断家电电源-Android phone to connect a serial device server to control the serial port relay switch off home appliances power