51个GPIO模拟IIC驱动程序，使用宏来定义硬件引脚，容易…

Keil C51，带有EEPROM的读写和按键、菜单及数码管显示与一体的单片机程序，已通过调试-Keil C51, with the read and write EEPROM and buttons, menus and digital display with integrated single-chip process, has passed through debugging

AT89C51 AND ADC0808 8路模转数显示电路 数码管显示-AT89C51 AND ADC0808 8 way mode switch to the number of display circuit digital tube display

单片机实例，多个实例运用，迅速掌握单片机技术-Singlechip example, multiple instances of the use of single-chip technology quickly grasp

51单片机控制ISD1420实现选段播放功能的实现-ISD1420 single-chip implementation of 51 selections to control playback of the implementation

C8051F06X系列单片机的C语言编程实例，非常适合初次使用该单片机的人阅读，对掌握该单片机有很好的帮助作用。-C8051F06X MCU Series C language programming examples, very suitable for the initial use of the SCM readers to grasp the MCU are very helpful.

P T 2 2 5 8 详 细 英 文 资 料-PT 2 2 5 8 detailed information in English

这是本人去年学习所用的新华龙F020开发板的PCB Layout板.因为只用了两天时间画完,没有做走线优化.希望对大家有所帮助.-This is the last year I used to learn new hualong F020 development board PCB Layout of the board. Because only two days画完, there is no alignment to do optimization. Want to be helpful to everyone.

ds1302 + nokia5110的显示程序,以及ad 测量电压的程序， 以及定时器 键盘扫描. 以及L9110的 输入输出 关系. 以及eeprom的 读写. -ds1302+ nokia5110 display procedures, and ad measurement of voltage, procedures, and the keyboard scan timer. as well as the L9110 of the input-output relationship. as well as the read and write eeprom.

LCD1602在KEIL下调试的DLL。-LCD1602 in KEIL debugging under the DLL.

利用51单片机做的USB 应用实例，可模拟三键滚轮鼠标，KEIL开发-use USB MCU do application, can simulate three key wheel mouse, development KEIL