pll-used-for-speed-control

说明：  惠普打印机 PCL5 语言 命令函数程序代码参考(hp pcl5 printing command reference)

基于单片机的一些基础应用 和硬件设计以及综合设计(89c51Integrated application hardware design)

这个是我写的单片机PWM脉冲调制程序，希望对初学者有点点帮助！(This is what I write microcontroller PWM pulse modulation program, hope for beginners who are little help)

说明：  　　 paek变换 park转换，也称派克变换，英文为Park transformation,为现在占主流地位的交流电机分析计算时的基本变换。在电力系统分析和计算中，park转换具有重要的理论和实际意义。(paek transform park conversion, also known as Park transformation, the English for the Park transformation, for the now dominant in the calculation of AC motor analysis of the basic transformation. In power system analysis and calculations, park conversion has important theoretical and practical significance.)

8279 的应用。 键盘和数码管显示。 有仿真和keil 的 ASM 源码。(8279 application. Keyboard and digital display. A simulation and keil the ASM source code.)

51单片机 做一个简易的存储示波器的程序清单(51 single-chip storage oscilloscope with a simple list of procedures)

STC15单片机驱动LCD12864，并且是使用串口通信协议，节约IO口，亲测可用(STC15 microcontroller driven LCD12864, and you are using serial communication protocol, save IO ports, pro-test available)

说明：  51单片机控制GSM模块发短信和打电话的C源码(GSM single-chip control module 51 send text messages and phone calls the C source)

基于单片机的数控开关电源设计，带仿真和详细程序。(NC-based single-chip switching power supply design, with simulation and detailed procedures.)

51单片机中的LCD12864显示,用的是C语言，为KEIL程序包。(51 microcontroller in LCD12864 display)