countdown for A51 source

这是一个PID算法在DSP上运行的程序,并且调试通过-This is a PID algorithm in the DSP program running, and debugging through

该文档包含了基于c8051f020的各种源码，包括AD、DA，串口，定时器，IIC以及时钟键盘等，很具有学习意义-This document contains a variety of source-based c8051f020, including AD, DA, serial port, timers, IIC and clock keyboard, it is with learning the meaning

zlg7290加液晶显示，本次拓展了20个按键，每按一键会在液晶上显示不同的数值。已通过硬件实现。-zlg7290 plus LCD display, this extends the 20 keys, each press a button in the LCD display different values. Has passed the hardware implementation.

AVRX 操作系统,用汇编语言编写，是AVR单片机专用的操作系统-AVRX operating system, with the compilation of languages is a dedicated operating system AVR Singlechip

一个使用C51编写的视频切换器的控制程序，用于16选4的视频切换-use C51 to prepare a video switcher control procedures for the April 16 elections Video Switch

TFT9320的驱动程序，可以使用在不同的平台中-TFT9320 driver, you can use in different platforms

一本不错的单片机入门教材，特别适合于初学者，讲述全面、易懂。-a good SCM entry materials, particularly suited to beginners about a comprehensive, understandable.

这是一个步进电机调速的程序，可以完成100级的调速。-This is a stepper motor speed control procedures, to be completed 100 of the governor.

PROTEL15.PCB是较老的PCB软件,我还在用-PROTEL15.PCB is PCB older software, I still use ...

本人所做项目中用51系列单片机(STC89C58RD)对OCMJ8*15B液晶屏进行数据写操作时所写的配套源代码,可以直接在keil7.0以上的版本中嵌入开发！应该说本程序有很高的实用价值（本人开发的产品已应用于实际工业控制中）-I conducted a series of 51 projects using SCM (STC89C58RD)* 15 OCMJ8 B LCD screen for data write operation written by supporting source code, keil7.0 directly on the above versions embedded development! It should be said that this program has high practical value (I development of the product has been used in practical industrial control)