蜂鸣器响 改变蜂鸣器的频率，通过改变延时时间 蜂鸣器的时间要是是靠延时来完成的...

122*32 点阵 st7920 lcd中英文显示 串行驱动程序-122* 32 dot matrix display in both Chinese and English st7920 lcd serial driver

X5045的AVR单片机读写全代码程序，保证好用-Single-chip X5045 to read and write the whole of the AVR program code, to ensure good

SH69PXX单片机与24系列E2PROM接口程序包-SH69PXX microcontroller series with 24 E2PROM interface package

本程序将指定的显示缓冲区送显，并将读取的键值送显。 入口参数：显示缓冲区首地址在SADR中,要显示的位数在CNT中。 出口参数: 无。-This procedure will be sent to the designated display buffer significantly, the key will be sent to a significant reading. Entrance parameters: the first address in the display buffer SADR, it is necessary to show that the median of the CNT. Export parameters: None.

单片机控制的电动自行车驱动系统部分程序 单片机控制的电动自行车驱动系统 单片机型号为16F876 采用块定义的方法定义单片机内部寄存器-MCU control of the drive system for electric bicycle parts of the SCM control drive system for electric bicycle for the 16F876 microcontroller models using block definition of the definition of internal registers MCU

8051F040的can总线底层驱动开发程序，可以移植到项目中。-The bottom of the can bus 8051F040-driven development process, can be transferred to the project.

用C51编的温度控制的PID算法适用性强方便移植-with C51 series of PID temperature control algorithm to facilitate transplantation 3DMECAD

一个简单的时钟开发程序,显示时,分,秒!!! 可以接上数码管再加上简单的转换就可以制作为简单的电子表-Clock to develop a simple procedure, show hours, minutes and seconds!!! Can be connected to digital tube coupled with a simple conversion can create a simple e-form

PCB CAD CSIEDA CAD File PCB CAD CSIEDA CAD File-CSIEDA CAD File

P89CXX编程器控制CPU接收和控制程序-P89CXX Programming Control CPU to receive and control procedures