STM32F4的两个USB host例程--U盘和鼠标键盘

max7456是美信的一颗OSD芯片，比NEC的6450，6453，功能强大，程序电路却简单了很多，本程序有对MAX7456的操作，用的是STM32的ARM7，硬件的SPI-max7456 is beautiful letters an OSD chip, compared with NEC" s 6450,6453, and powerful, the program has a simple circuit a lot, this program has on the MAX7456 operation, with the STM32" s ARM7, hardware SPI

RS RS-232 至RS RS-485 RS RS-422 智能转换器-RS RS-232 to RS RS-485 RS RS-422 Intelligent Converters

EP9315的PCB原理图，希望大家踊跃下载，嘿嘿。还有就是物有所值的。 -EP9315 schematic diagram of the PCB, I hope everyone enthusiastically download,嘿嘿. There is value for money.

使用汇编语言实现A口的输出-using assembly language to achieve the output of A-

-keil armdk的详细解释。它主要是为周立功模拟机。

MinOS嵌入式操作系统,C/C++源代码!基于KeilC51编译器.-MinOS Embedded operating system, C/C source code! Based on KeilC51 compiler.

51单片机教程，里面有很多实用的电路和源码，很好的学习资料-51 Microcontroller tutorials, there are many practical circuits and source code, a very good learning materials

使用show_6_digit(p)unsigned char数组D用作数据口B用作片选

“华为模块（GTM900）+ ARM(LPC2104) + LWIP1.1”以PPP 方式实现GPRS 无线数据传输-"Huawei module (GTM900) ARM (LPC2104) LWIP1.1" PP P achieved GPRS wireless data transmission

嵌入式可编程器件CPLD的典型实例 压缩包，共计43个源码文件。 使用ALTERA的 Muxplus 软件即可编辑仿真 相关软件可在教育网ftp下载[天网查询，有很多站点提供]-Embedded Programmable CPLD in a typical example of compressed, for a total of 43 source document. Altera Muxplus use the software can edit simulation software available from the Education Network ftp download [days Web inquiries, many sites provide]