智能232转485原代码，1个232进4个485出，上位机选者端口（C51），需要有KEIL 软件开发.-232 to 485 Intelligent original code, a 232 into four 485. PC elections were port (C51), the need for KEIL software development.

源码包括固件源码（keil c），驱动源码（vc6.0与driverstudio 3.1,DDK2600），应用程序源码（vc6.0）以及硬件原理图。-Including firmware source code (keil c), driver source code (vc6.0 and driverstudio 3.1, DDK2600), the application source code (vc6.0) and hardware schematics.

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HTTP put methos implemented in C code for keil compiler, shall be required for mcu wed developmwnt