8279 initialization procedure, keyboard and display processing subroutine

一种基于单片机系统的多级菜单模块化编程．方便了菜单的加载与卸载,软件结构清晰,维护方便-SCM systems based on multi-level menus modular programming. To facilitate the loading and unloading of the menu, software, clear structure and easy maintenance

atm89c52的12864编程显示， 在仿真中通过。-Programming atm89c52 of 12864 showed that the adoption of simulation.

简易信号发生器+Protues仿真,函数波形发生器产生波形表，通过DA转换产生正弦波。-Simple Signal Generator+ Protues simulation, waveform function generator waveform table, have a sine wave through the DA converter.

pc端usb下载程序DNW的源代码，配合开发板usbd程序可以实现pc和开发板互通-usb client pc download the source code of DNW, with the development board can USBD pc and realize mutual development board

该头文件配合key.c，在main函数中调用key.c，都文件中添加key.h，使软件更清晰，一目了然-The header file with key.c, in the main function call key.c, all files add key.h, so that software is more clear at a glance

SD卡读写程序 1. sdconfig.h: 该文件为SD卡读写模块配置头文件，用户可根据实际硬件条件进行修改. 2. SD目录: SD卡读写模块的全部文件,一般不用修改. 3. 建议sdconfig.h文件不要放于SD目录中，因为SD目录中的文件一般无须修改, 而sdconfig.h通常会有改动.-1. Sdconfig.h: The document for the SD card reader module configuration header files, the user hardware according to actual conditions can be modified. 2. SD directory: SD card reader module of all the documents, the general need not be amended. 3. Proposed sdconfig. h files directory should not be put in SD because SD files in the directory are not normally required to be amended and the changes are usually sdconfig.h.

PIC18单片机与LCD1602的C语言程序，主要LCD几个控制管脚的定义。-PIC18 MCU and LCD1602 the C language program, the main LCD control pins of several definitions.

NRF9E5Chinese 中文手册

基于单片机的音乐门铃可预存6首歌曲-based on SCM"s music can be easily doorbell six songs

atm89的键盘中断方式控制 附带proteus仿真 -atm89 keyboard interrupt control incidental Proteus Simulation