RS232 communication project ...........................\上位机程序最新.vbp ...........................\下位机程序20110524.c ...........................\下位机程序20110524.hex ...........................\下位机程序20110524.uv2 ...........................\串口通信最新调试.DSN ...........................\向凯华上位机界面20110601.exe ...........................\向凯华电路PCB.pcb ...........................\向凯华电路原理图.DSN ...........................\向凯华电路原理图.opj