基于SPE061A（凌阳单片机）的数字化语音存储与回放

基于51单片机MAX7219的接口及编程应用程序，采用汇编语言编程制作。-MAX7219 single-chip microcomputer 51 based on the interface and programming applications, the use of assembly language programming produced.

详细的RF非接触卡测试源码，详细的备注。-Detailed RF test source of non-contact cards, detailed Remarks.

avr单片机的串口通讯程序，用c语言编写，值得参考-avr MCU serial communication procedures, using the c language, worthy of reference

CH341评估板，演示USB转串口、转打印口、转并口及同步串口等-CH341 Evaluation and demonstration USB to serial, LPT switch, switch synchronous serial port and parallel port, etc.

机械产品控制器，控制了变频器，并且接入了很多开关量信号-mechanical products controller, control of the converter, and a lot of access off Signal

ICD 2.5(18F4550+16F877)最全的资料！-ICD 2.5 (18F4550 16F877) the most complete information!

功能描述： 利用AT89S51单片机的T0、T1的定时计数器功能，来完成对输入的信号进行 频率计数，计数的频率结果通过8位动态数码管显示出来。要求能够对2－40KHZ 的信号频率进行准确计数，计数误差不超过2/1-Functional Description: Using AT89S51 MCU T0, T1 timing counter function, to complete the input signal frequency counting, counting the frequency of 8 resulted in the adoption of dynamic digital tube display. Request to the 2-40KHZ signal frequency accurately count, counting error of less than 2/1

Fujitsu MB89P475的应用实例-Fujitsu UART examples of the application

51上网卡测试程序源文件 -51 72.16 testing procedures source 51 72.16 source test procedures

利用单片机实现SD卡读写程序，比较通用，大家可以参考，希望对你有所帮助。-Use of SCM SD card reader program, a more generic, we can refer to, want to help you.