嵌入式开发工具的使用方法，以及使用中搜遇到的问题

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STC单片机的AD功能测试。测试中通过P3口的LED指示AD值。-STC microcontroller AD functional tests. Testing of the LED through the P3 port direction AD value.

单片机采集数据，并驱动74hc595显示采集数据-Single-chip data collection and data-driven acquisition 74hc595 show

C51实用源码，极具参考价值！-practical source of C51, great reference value!

实验箱上的蜂鸣器发出对应的音调（中音），当同时按下L和1-7时是，蜂鸣器发出低音，同时按下H和1-7时，蜂鸣器发高音。只要按键没松开，蜂鸣器一直发声，直到松到按键。-The buzzer sounded on the test box corresponding to tone (Tenor), when at the same time when you press the L and 1-7, the buzzer sounded a bass, while pressing the H, and 1-7 when the buzzer made treble. As long as no release button, buzzer sound has always been, until the pine to the button.

简单的单片机LED，用串口调试来实现其LED的显示。数码管的显示-Simple single-chip LED, using serial debugging to achieve its LED display. Digital tube display

步进电机驱动程序.... 可以通过改变定时来控制电机速度

奉献：2812的原理图 [日期：2005-11-29] 来源：侃单片机 作者：etiller [字体：大 中 小]

12864液晶屏驱动: 显示器片选0=CS1,1=CS2 BZPD 0=上8X8半字,1=下8X8半字 HZDH 0=显示汉字，1=显示动画-12,864 LCD Driver : Display- election CS1 = 0, 1 = 0 = CS2 BZPD on 8x8-word, a = half under 8x8 = 0 word HZDH show Chinese characters, animation shows a =

自己在keil51中用C实现了一个电子钢琴展览项目，cpu用P89V51RD2，完全自己写的代码-Keil51 with C in the realization of an electronic piano exhibitions, cpu use P89V51RD2, completely write their own code. .