C8051F020单片机步进电机控制源程序

基于等精度测频原理，设计的等精度频率计，测试结果很精确，达到0.01HZ。-Such as the accuracy of frequency measurement based on the principle of design, such as precision frequency meter, test results are accurate to 0.01HZ.

这是从网上找来的一个比较典型的PID处理程序，在使用单片机作为控制cpu时，请稍作简化，具体的PID 参数必须由具体对象通过实验确定。-It is found from the Internet a more typical PID process, as a control in the use of single-chip cpu, please make some simplification, the specific parameters of the PID must be determined through experiments at specific audiences.

圣诞礼物！满有意思的！为大家奉献-Christmas gifts! Full of fun! Dedication for everyone. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

AT45DB021B的C51驱动程序-AT45DB021B driver of the C51

CC2430 基础实验三 按键控制LED闪烁-CC2430 three buttons to control the basis of experimental LED flashes

用AT89S51单片机制作的一个带通讯的数字电压表，内含电路原理图及汇编源程序代码，以及数张图片，还有论文和设计感想。倾力奉送！-AT89S51 produced using a single-chip communications with digital voltage meter, including the circuit schematic and the compilation of source code, as well as a few pictures, there are papers and design thoughts. Effort away!

本库函数为大容量(2M)Flash SST25VF016B的驱动函数 包括IO模拟SPI总线方式和C8051F020硬件SPI方式下的驱动 函数接口简单易用 代码规范简洁-The library functions for large-capacity (2M) Flash SST25VF016B driver function including IO simulation SPI bus mode and SPI mode C8051F020 hardware driver function interface specification concise easy-to-use code

美国TI公司的protel 元器件库，在应用中需要更新，本人收集了最新的版本共30M，为提高上传速度分六次上传。文件名依次为TI_1到TI_6。希望大家设计电路板时少走弯路 以下是TI_5-TI" s U.S. Treasury protel components, need to be updated in the application, I collected a total of up-to-date version of 30M, to improve the upload speed upload six hours. File name followed by TI_1 to TI_6. Hope that the design of circuit board is less detours following TI_5

单片机汇编快速入门助手 ，适用单片机初学者使用-MCU Series Quick Start aide, apply SCM beginners

freescale单片机HCS12对12864的驱动，能显示汉字，ASCII字符，以及绘图等。-Freescale HCS12 of 12864 single-chip driver, can display Chinese characters, ASCII characters, as well as graphics and so on.