PCB borehole data important reference PCB Design

有关网络接口芯片RTL8019As论文，有助于这方面的开放-The network interface chip RTL8019As papers, help in this regard open

单片机和PC机通讯源程序 C语言编程 绝对好用-PC-MCU and communication source is absolutely easy to use C language programming

用IAR编写，MSP430中I2C总线的应用-IAR prepared to use, MSP430 in the application of I2C bus

12864液晶驱动程序，利用函数可变参数的特性及改变临时空间的大小，可以显示任意长度的字符串。-12864 LCD driver, the use of variable parameters of the characteristics of function and change the size of temporary space, you can display a string of arbitrary length.

本程序是实现51单片机与单片机之间的串行通信（UART）-communicate between 51 single controler

msp430应用系统开发典型实例第6章程序代码-MSP430 Application Development Chapter 6 Typical examples of program code

C51源程序和文档-C51 source code and documentation

这个是实时时钟芯片DS1302的驱动程序，采用c51编写，编程时只需要修改一下SCL,IO,RST的引脚定义即可，经过测试，完全好用-This is a real-time clock chip DS1302 driver, using C51 preparation, programming, only need to modify about SCL, IO, RST pin can be defined, tested and fully use

利用PWM产生高精度正弦波,从PWM引脚输出的脉冲信号经过简单的低通滤波后,可以得到平滑的正弦波,波的频率可以微调-produced using high-precision sine wave PWM, PWM output pin from the pulse signal through simple low-pass filter, can be smooth sine wave, the wave frequency can be fine-tuned

64点阵C程序有移动功能具有时间显示，可设置时间，断电保存-64 dot-matrix C procedures with mobile features the time display can be set-up times, power save