PCB-design-instruction-grounded

VB 开发C51的动态链接库，可以拿来直接用的，(VB-C51 dynamic link library that can be used directly, and)

YL_3串行数码管显示时钟，74HC595，8位，显示时分秒，自动计数。(YL_3 serial digital display clock, 74HC595, 8 bit display minutes and seconds, automatic counting.)

基于单片机MSP430的DS1302的时钟芯片编程，实现时钟显示(Based on MSP430 MCU DS1302 clock chip programming, the clock display)

简单的流水灯程序，另外包括按键控制led灯程序，适合初学者(Simple water lights, led lights additionally includes key control procedures, suitable for beginners)

fluent物性随温度变化的udf（包括导热和比热）；边界条件温度随时间变化的udf。(fluent physical properties with temperature changes udf (including thermal conductivity and specific heat) temperature boundary conditions change over time udf.)

该程序利用89c51单片机和lcd液晶显示实现简易的数字示波器，可以显示输入的方波、正弦等信号。压缩包包括硬件连接和软件设计。(The program using 89 c51 and LCD liquid crystal display a simple digital oscilloscope, can display the input square wave and sine signal.Package including the hardware connection and software design.)

51单片机程序，两个74HC595驱动8位数码管程序，串行输入，3个IO口控制8位数码管动态扫描(failed to translate)

说明：  一个求二维格点模型热传导的程序，可以求温度分布和热导率(a program to get the theomal conductivity in 2D lattice madel)

2410的LCD驱动(2410 LCD Driver .......................... )

说明：  基于MODBUS协议的单片机通信系统，上位机+下位机(MODBUS Protocol-based communication system microcontroller)