使用8051规则系统的日期表示

串口通信程序，该程序实现了串口的基本通信功能。通过串口给单片机发送数据-Serial communication program, the program implements the basic serial communication function. To the microcontroller through the serial port to send data

生成AVR菜单的工具.rar是一款可以生成AVR菜单的工具.rar-Generation AVR tools menu. Rar is a menu can be generated AVR tools. Rar

基于ARM7的44B0开发板的CACHE测试程序，C语言编写，可以在ADS1.2上运行-ARM7-based development board 44B0 of CACHE test procedure, C language, you can run ADS1.2

CC2420 提供了发送确认帧的固件，使能AUTOACK 将使得硬件可以自动生成确认帧。-CC2420 provides a frame to send to confirm the firmware so that it can AUTOACK will allow the hardware can automatically generate confirmation frame.

8路AD采集系统，数字电压表，采用ADC0809模数转换芯片，单片机控制的数字采集系统-8-channel AD acquisition systems, digital voltage meter, the ADC0809 analog-to-digital converter chip, single-chip microcomputer controlled data acquisition system

* 硬件结构： PA0-5对应６个ＬＥＤ数显管的位 ，PC0-7对应各ＬＥＤ数显管的段 ，PB4-7为键盘。 * 软件描述： 上电后，时钟从00.00.00（时/分/秒）自动走时，在走时状态时 ， 按PB4（设定 * 键）超过3秒可循环选择调整时间/工作参数 ，接着按PB5以确定选择的操作 ，进入调整操作后 ， * 按PB5选择欲调整参数，按PB6（增加键）完成调整参数操作 。按PB7，进入时控运行，PB1亮， * 再按PB7停止时控运行，回显走时。在定时到时，PB0点亮。- * Hardware architecture: PA0-5 corresponds 6 LED numbers to reveal the tube the position, PC0-7 corresponds each LED number to reveal the tube the section, PB4-7 is a keyboard. * Software description: After on electricity, clock from 00.00.00 (when/a minute/second) is in luck automatically, when is in luck the condition, according to PB4 (hypothesis * The key) surpasses for 3 seconds to be possible to circulate the choice time/operational parameter, then presses PB5 by to determine the choice the operation, after enters the adjustment operation * Wants according to the PB5 choice to adjust the parameter, (increases key) according to PB6 to complete the adjustment parameter operation.According to PB7, enters when controls the mov

波形发生器的源程序，能产生方波、三角波、和矩形波三种波形-The source waveform generator, which can produce square, triangle wave, and rectangular-wave three kinds of waveforms

实现多个数字滚动，移位显示，当按下某个按键时，会将对应于端口的数值送入低位数码管显示-To achieve more than the number of rolling, shift display

此程序是通过位选选取那位显示来实现数码管的显示。-This procedure are selected through the bit that shows the election to achieve digital tube display.

异步电机无速度传感器直接功率控制系统,很好的资料-Induction motor speed sensorless direct power control systems, good information