QG8_demo学习板开发板例程 AD转换的例程，辛苦找来。 经过验证是正确的。...

此程序为AD9850（DDS）直接数字频率合成器C语言源码。用125M的有源晶振，频率无失真输出可达到40M。该程序包括FYD12864LCD显示程序加4X4矩阵键盘扫描，可步进1M，1K，和任意频率输入。及相位设置。-This procedure for the AD9850 (DDS) Direct Digital Frequency Synthesizer C language source code. With 125M active crystal, the frequency output can be achieved without distortion 40M. The process includes the display program FYD12864LCD plus 4X4 matrix keyboard scanning, may be stepping 1M, 1K, and arbitrary frequency input. And phase settings.

PROTEL15.PCB是较老的PCB软件,我还在用-PROTEL15.PCB is PCB older software, I still use ...

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.

条形码打印机EAN-13编码算法的C程序实现，编译环境keil-ARM，可直接用于项目开发-EAN-13 bar code printers coding procedures for the realization of the C compiler environment keil-ARM, can be used directly in the project development

I-WIRE协议的DS18B20程序,用于温度测量-I-WIRE Agreement DS18B20 procedure for temperature measurement

LED灯控制程序，用78F9212单片机，C语言，PWM控制，可调光-LED lamp control procedures, using 78F9212 Singlechip, C language, PWM control, dimmable

单片机读写MMC卡的详细C代码（包括SPI和MMC模式）-SCM MMC card reader detailed C code (including model and MMC SPI)

1.ARM芯片LPC2148的RTC源码 2.ARM芯片LPC2148的DS18B20C驱动源码 3.ARM芯片LPC2148的TIMER0中断驱动源码-LPC2148 chip 1.ARM the RTC source 2.ARM the LPC2148 chip DS18B20C drive LPC2148 chip 3.ARM source of Timer0 interrupt-driven source

Atmel AT91SAM7S Interrupt example code

S3C44B0X开发板源代码,有助了解和学习S3C44B0X的使用-S3C44B0X development board source code, will help the understanding and study of the use of S3C44B0X