keil C51 50ms事例

定时器结合LED 7805开发板，适合初学者-Timer combination LED7805 development board, suitable for beginners

PCB钻孔资料 PCB设计重要参考资料-PCB borehole data important reference PCB Design

645规约集中抄表源代码，运用汇编语言开发编程-Statute of the concentration of 645 meter-reading source code, the use of assembly language programming development

用单片机播放音乐的源码并提供相应的音乐制作工具 -MCU-source music player and music production provided by the corresponding instrument

AT89C4051单片机的产品手册，详细地说明了AT89C4051单片机的各项性能指标、产品结构和工作原理。-AT89C4051 microcontroller product manuals, detailed description of the AT89C4051 MCU performance, product structure and working principle.

010基于单片机的无线传输 -010 based on single-chip wireless transmission

是一个5615芯片的驱动程序，5615是一个8位的D/A芯片，用它与51单片机组成的控制系统具有结构简单，性能稳定的特点。-5615 is a chip of the driver, is a 5615 eight of the D/A chips, and use it 51 MCU control system is simple in structure, performance and stability characteristics.

开短路检测控制箱(51单片机开发例子子程序)-Open circuit detection control box (51 single-chip development examples Subroutine)

arm7 bootloader source, very good-arm7 Bootloader source, very good