an alarm sounded a siren procedures procedures

pic18fxxx单片机实用软件与接口技术――C语言及其应用-Singlechip pic18fxxx Practical Software and Interface Technology- C language and its application

零耗时低频宽脉冲软PWM信号控制Keil C51演示程序，转摘！-zero time-consuming low-bandwidth pulses Soft PWM control signal Keil C51 demo program, journals!

C8051F120CPU的AD读写程序，用C语言编写，内含注释。-C8051F120CPU the AD to read and write procedures, using C language, including the Notes.

LCD图形显示函数，很使用！-LCD display function, is used!

10位三线da转换驱动程序,通过单片机模拟spi-ten_bit three da converter，spi drive the da converter

单片机实用子程序汇编代码-SCM practical subroutine code compilation

此为一温度自动控制系统，并用LCD（1602）进行显示-This is the one automatic temperature control systems, and LCD (1602) display

将单片机的IOA0~IOA7分别接按键S1~S8连接到高电平上。此时，如果某个按键被按下，对应的I/O端口就会输入高电平进单片机，即按键S3按下，IOA2会输入高电平进单片机-Will Singlechip IOA0 ~ IOA7 access keys, respectively, S1 ~ S8 is connected to high on. At this point, if a button is pressed, the corresponding I/O port will enter into the high single-chip, that is, S3 button press, IOA2 will enter into single-chip high

快速傅立叶变换的C源代码,可以移植到各种8位-32位的单片机上-Fast Fourier Transform C source code can be transferred to various 8-bit MCU-32 on

基于mega64的lcd1602驱动，大家可以看下，互相参考-Mega64 based on the lcd1602 drive, we can facie, be used as a reference