huaweic8813q的device打包。可以由此生成device编译源码做底层开发-huaweic8813q the device packaging. Thereby generating device can compile source code to do low-level development

手机音频刷卡器解码程序，square、乐刷等刷卡器的解码算法,16700612@qq.cm-Mobile audio card decoder program, square, brush and other music decoding algorithm swipe card reader

2个超声波模块成180度分布在垂直舵机轴的平面上，舵机从0-180度变化。 每移动1度，测距一次，获得角度和2个长度数据。并将长度数据以cm单位*100（例如120.84cm记为12084）的5位数据（一对，共10位）按角度从0-180顺序输出。-Two ultrasonic modules into 180 degree distribution in the plane perpendicular to the axis of the steering gear, steering ge