29.超声波串口显示\串口接线方式.jpg .................\测距程序 .................\测距程序.C .................\测距程序.LST .................\测距程序.M51 .................\测距程序.OBJ .................\测距程序.Opt .................\测距程序.Uv2 .................\测距程序.hex .................\测距程序.lnp .................\测距程序.plg .................\测距程序_Opt.Bak .................\测距程序_Uv2.Bak 29.超声波串口显示