AVR_ISP: AVR单片机的在线编程原理图及印制板图

adc转换器，实现ad转换功能，可以进行自己的小项目设计-adc converter, ad conversion implementation, can design their own small projects

频率计 等精度频率计 可以用于频率测试的等精度频率计 可用的-Such as precision frequency meter frequency meter can be used for the frequency of tests, such as precision frequency meter available

Verilog实现的DDS正弦信号发生器和测频测相模块，DDS模块可产生两路频率和相位差均可预置调整的值正弦波，频率范围为20Hz-5MHz，相位范围为0°-359°，测量的数据通过引脚传输给单片机，单片机进行计算和显示。-Verilog realize the DDS sine wave signal generator and frequency measurement module test phase, DDS module can generate both frequency and phase difference can be preset to adjust the value of sine wave, frequency range of 20Hz-5MHz, phase range of 0 °-359 ° , measurement data and transmit them to the single-chip pin, single-chip microcomputer to calculate and display.

这是一个基于P89c51单片机的声音与显示C51程序--A P89C51-SCM-based C51 program for sound and display.

接触式IC卡的读写函数，IIC通信模式的源代码-Contactless IC card reader function, IIC communication model" s source code

这是《C8051F系列单片机开发与C语言编程》 配套的源代码-This is the

基于C51及SL811读写U盘的源程序，开发文档资料,芯片数据手册,测试命令及测试工具,电路原理图,请参C51_SL811_ModeDisk_manual-Based on the C51 and SL811 source disk to read and write U, the development of documentation, the chip data sheet, test orders and test tools, circuit schematic diagram, please refer to C51_SL811_ModeDisk_manual

单片机控制LCD12864液晶显示驱动程序-SCM LCD12864 liquid crystal display driver

PIC单片机的指令集，其中包括了12位（基本级）、14位（中、高级）产品的全部指令！-PIC microcontroller instruction set, which included a 12 (basic level), 14 (senior) products all directions!

读取mifareOne卡的数据，并显示在LCD模块上，采用C语言开发，开发编译调试环境KeilC。基于RC522模块。-Read data from mifare one card and display it in LCD module.