A small keyboard program, there are nine buttons, through the 422 control other...

单片机KeilC学习例程，不需要数点基础，可以掌握C51的使用-Microcontroller KeilC learning routines, no basis for a number of points, you can master the use of C51

ADE7758电能计量芯片的底层驱动(for MCS51) -ADE7758 Energy Measurement of the bottom chip driver (for MCS51)

任意波形电源逆变脉冲控制器，使用单片机做控制器，C语言编程-Arbitrary waveform pulse power inverter controller, make the use of single-chip controller, C language programming

BQ2060 充电监控芯片程序 IIC读写-BQ2060 Charge Monitor Chip

计时器，５１源码，芯片是７7E58,精度是10uS，上升沿，下降沿，脉宽都可以测量，８路同时测量，１０个数据存储，指标就这样了-Timer, 51 source code, chip is 77E58, precision is 10uS, rising edge, falling edge, pulse width can be measured, 8-channel simultaneous measurement, 10 data storage, so the indicators

单片射频收发器nRF905及其应用_设计nrf905.h文件-Single-chip RF transceiver and its applications nRF905 _ nrf905.h document design

51单片机P2口接4*4键盘的行线和列线；红灯亮时进行频率输入；绿灯亮时进行占空比输入；频率值暂定在100到60KHZ之间；输入频率和占空比时要输够六位整数，不够的在前面补0；占空比以百比数（0-100）形式存在。-51 Singlechip P2 mouth then 4* 4 keyboard line and column line red light when the frequency of input green when the input duty cycle frequency value is tentatively scheduled for between 100 to 60KHZ input frequency and duty than enough to lose six integers, not enough to fill in front of 0 duty cycle than a few hundred (0-100) form.

能够在单片机等小型处理器上使用的fat16文件系统，包括文件读写等基本处理函数。-Such as in the single-chip processor for use in small fat16 file system, including document processing and other basic functions to read and write.

单片机读写AT24C01代码,可用于24系列的芯片-literacy AT24C01 microcontroller code can be used in a series of chips 24

C51 七种实用子程序集 1-C51 seven practical subroutine sets a practical subroutine sets