时钟芯片PCF8563 C51程序，本人测试通过

快速傅里叶变换在单片机中的实现,可用来显示生音波形

基于msp430的液晶显示模块LCM141-MSP430-based liquid crystal display module LCM141

摩托罗拉单片机的定时器溢出中断的原代码-Motorola MCU overflow timer interruption of the original code

凌阳16位机 SPL501驱动程序－显示字符-Sunplus 16-bit machine SPL501 driver- display characters

该文件里包含了大量的常用经典的程序代码,可以为51编程者带来事半功倍的效果,-The document contains a number of popular classics code can be programmed for 51 brought a multiplier effect,

用C实现信号发生装置：1、正弦波：频率、幅度可调。 2、三角波：频率、幅度可调。 3、方 波：频率、幅度、占空比可调。 4、按键：波形切换、频率调节、幅度调节、方波占空比调节。 5、显示：信号的频率、幅度，在方波时还要显示占空比。 -Implementation using C Signal: 1, sine wave: frequency, amplitude adjustable. 2, triangle-wave: frequency, amplitude adjustable. 3, square wave: the frequency, amplitude, duty cycle adjustable. 4, button: switch waveform, frequency regulation, rate regulation, adjust the duty cycle square wave. 5, show that: the signal frequency, amplitude, when they showed at the duty cycle square wave.

用于两单片机利用串口通信。有完整的原理图、仿真、程序。-For the use of two single-chip serial communication. A complete schematic, simulation, process.

单片机的数字时钟例程,定义运行状态,可以调整倒计时分,小时调整等.-SCM digital clock routines, the definition of operations, the countdown can be adjusted, such as the adjustment hour.

用单片机C语言编的日历芯片PCF8563的实时时间显示C程序源代码，可供单片机开发人员参考。-MCU series of the C language PCF8563 calendar chip real-time hours of C source code available to developers SCM reference.