非常有用的很容易使用的单

此为友善之臂micro2440板的底板原理图，更新时间是2009年2月28日。-This is a friendly arm on the Backplane board micro2440 schematic, update time is February 28, 2009.

对基于splc501液晶控制器的128×64点阵的液晶驱动c51程序。包括一个自建字库。-right splc501 LCD Controller Based on the 128 x 64 dot-matrix LCD driver c51 procedures. Include a self-built character.

AT24C08的读写程序 网上基本绝种 经过调试，成功的可以对整个器件读写-AT24C08 online basic reading and writing process of extinction, after commissioning, the success of the entire device to read and write

华为、上海贝尔、台湾神达电脑的电路板PCB布线的规范，对跨入电路板硬件设计领域是一个捷径，养成良好的布局布线习惯将受益无穷啊，三家公司的布线规范供你参考-Huawei, Shanghai Bell, Taiwan Mitac computer circuit board PCB routing rules, on the threshold of the circuit board hardware design area is a shortcut, to develop good habits will benefit from placement and routing infinite ah, the three companies wiring specification for your reference

DTMF双向收／发集成电路MT8880专门为双音频信号的收、发而设计，它既能产生发送双音频信号，又能对双音频信号进行接收译码，还能判断各种信号音(拨号音、回铃音、忙音)。以上就是它的应用电路和程序-Two-way DTMF collection/fat MT8880 IC specifically for the dual audio signals received, the design, it could have sent dual audio signal, while the dual audio signal decoding receiver, but also to judge the sound signal (dial tone , ring back tone, busy tone). Above is its application circuit and procedures

单片机开发必备，8*16,12*16,16*16汉字点阵生成程序，适用于DOS环境-MCU Development essential, 8 16,12*** 16 Bloemycin Chinese lattice formation procedures, apply to the DOS environment

超声波测距模组使用说明书 电路图 程序 绝对有参考价值 -Ultrasonic Ranging Module Manual Schematics procedures have absolute reference value

avr的程序，spi通信的程序，还有好多其他的-avr procedures, 20 communications procedures, there is still much to the other

LT_1B msp430开发板例子程序－TB3

12864+ds1302 的万年历，LCD是带中文字库的，串行-12864+ Ds1302 the perpetual calendar, LCD is intended to bring the Chinese font, serial