Wireless NRF905 (PTR8000 module) source+ schematics DDB+ picture environment: IC...

一组实用的C51源代码,不是我作的,在网站上载下来的,也许对大家有用,感谢作者-a group of practical C51 source code, I am not for the website, in the set down, perhaps useful for all, to thank the author

这是一个用单片机来演奏音乐的程序，很通俗易懂，里面有源程序和HEX烧录文件-This is a single-chip to play music with the procedure, it is easy to understand, which has source code and HEX file burner

keil c51的uv3集成开发环境安装软件。-keil c51 uv3 integrated development environment installs software.

欠过压报警电路的设计报告,ICL7100,模拟电路.-Toru 欠压agent changchu forlorn wind chirpy few forlorn rear cavity, ICL7100, Chang Yao-carrying wind.

PIC24单片机程序示例。 目前这方面的资料较少。自己先顶一下。-PIC24 Singlechip sample procedures. At present, less information in this regard. Their first top-click.

89s51单片机控制的键盘和led系统，键盘送数led从低到高位的显示-89s51 MCU control of the keyboard and led system, the keyboard to send a few led from low to high Show

320240液晶中文字库，如果没有内置字库，应该有一定的参考价值-LCD 320,240 Chinese font, if there is no built-in font, there should be some reference value

可以实现fat文件系统，在单片机上也可以进行改造！-can achieve fat file system, the MCU can also transform!

周立功的工程师 陈明计 对Small RTOS的移植代码-Zhou Chen, who include engineers on the transplant Small RTOS code

通讯规则: 1:时钟7.3728 MHz/波特率9600/9个数据位/奇校验/1个停止位/硬件多机通讯功能/ 2:通讯连接采用硬件MAX485,双向单工 3:每个上行/下行的数据包的字节个数都是一样的(通讯数据量) 4:每个上行/下行的数据包都采用CRC8校验 5:数据接收采用中断+查询的方式 6:总是由主机向从机发送一个数据包,从机收到数据包后向主机回复一个数据包 7:不管是主机还是从机,如果收到的数据包有任何错误,都将丢弃该数据包,等效于没有接收 8:从机之间不能相互通讯,必须通过主机才能交换数据 9:无效地址是0,主机地址是1,从机地址是2.3.4......广播地址是255 -err