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。...

采用STC89C54RD实现的一个完整的流量计控制系统源代码，包含了对STC89C54RD内部Flash的编程（自创）和对ICL7135的数据采集编程，该代码实现的产品已经实用化。-STC89C54RD used to achieve a complete flowmeter control system source code, contains an internal Flash programming STC89C54RD (own) and ICL7135 data acquisition programming, the code of the product has been the realization of practical use.

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

HT1621 是一款128 个位元的LCD 控制器件，内部RAM 直接对应LCD 的显示单元。相应的软件使它适用于包括LCD 模块和显示子系统在内的多功能应用。主控制器与HT1621 接口只需4 到5根线。内置的省电模式极大的降低了功耗。-HT1621 is a 128-bit LCD control devices, directly correspond to the internal RAM of the LCD display unit. The corresponding software to make it applicable to including LCD modules and display subsystems, including multi-purpose applications. Host controller interface with HT1621 only 4-5 lines. Built-in power-saving mode greatly reduces power consumption.

在PIC上使用5个口线产生DTMF信号-use five lines I have DTMF signals

红外解码程序，该程序可为用户提供正确的解码方案，但前提是理解好每个红外的发送过程-IR decoding process, which can provide users with the correct decoding, but the premise is a good understanding of the sending process for each infrared

c8051f 软件读出的FLASH数据转换成二进制数据-c8051f software FLASH read out data into binary data

Msp430的flash读写文件配置文件，(msp430f427芯片)-MSP430

CC1110无线收发TDMA的源程序。使用的开发环境是IAR7.2H-TDMA wireless transceiver CC1110 source. The use of development environment are IAR7.2H

8051单片机矩阵键盘扫描程序（包括键盘的消抖和数码管的显示）-8051 keyboard matrix scanning process (including the elimination Buffeting keyboard and digital display control)

基于C51搭建的温度控制系统的程序，PID控制。-C51-based temperature control system set up procedures, PID control.