安卓串口通讯的测试范例，进行了官方小bug 的修改及处理，测试没任何问题,没有找到安卓类别请管理员处理一下-Andrews serial communications test case for the official small bug fixes and handling, testing without any problems

闪烁灯珠.闪烁频率，闪烁亮度均可以调节。(light led wei can change fricunce and big or small)