ISD4004 chip MCU and hiring sub

我编写的基于spce061a的语音播报电子钟,利用sunplus开发板，可以设置时间和定闹 陈谭 2004 -I prepared based on the voice broadcast spce061a electronic bell, using sunplus development boards can set time and set downtown Chen Tan 2004

51自制编译器。本资料免费提供，但作者仍保留版权，未经本人允许，请勿随意传播。任何人可以研究本资料的源程序及电路图以学习本编程器的制作思路，但不可以任意改造并用于商业用途。否则作者将会追究其责任。各位同仁请自觉遵守。-51 homemade compiler. This information is free, but the author retains the copyright, without my permission, do not circulate freely. Any person can examine the source of the information and to learning the circuit for the production of programming ideas, but not arbitrary transformation and for commercial purposes. Otherwise, the author will be held accountable. Colleagues invite you consciously observe.

用AT89S52实现鉴相功能，用于对光电编码器的输出进行编码。-Using AT89S52 realize phase function, optical encoder used to encode the output.

以C8051F020单片机做的多功能计数器，2008山东大学生电子大赛题目。可以实现频率、周期、时间间隔等测量，可以LCD显示、语音报告结果，并能测试温度、显示时间（DS1302）。-C8051F020 single chip microcomputer to do multi-function counter, 2008 e-Competition topic Shandong college students. Can achieve frequency, cycle, time interval measurement can be LCD display, voice report on the results, and test temperature, indicating the time (DS1302).

C8051F系列单片机配置软件ConfigAndConfig2Install，也就是专家系统，很不错！-C8051F series microcontrollers configuration software ConfigAndConfig2Install, that is, expert systems, very good!

AT89C2051驱动步进电机-AT89C2051 driver stepping motor.

C51编写的SST s操作FLASH源代码，用单片机操作为SST39VF040

C语言在单片机中应用的技巧-C language in SCM application skills

AD9851 驱动 原理图 pcb-AD9851 driver pcb schematic

51 单片机的经常用到的子函数，非常具有参考价值。-51 SCM Functions frequently used, very useful.