51单片机矩阵键盘的设计与调试，建议使用52单片机。

新华龙内置10位dac0产生正弦波的程序，算法经典，dac1的程序只要改一改寄存器就行-Hualong 10 new built-generated sine wave dac0 procedures, the classical algorithm, dac1 procedure simply register on line as long as

BQ2060 充电监控芯片程序 IIC读写-BQ2060 Charge Monitor Chip

msp430与cc2500无线收发器通讯的底层硬件配置-MSP430 and the wireless transceiver cc2500 underlying communications hardware configuration

基于单片机c8051F020的串行口通信的源程序代码。 -C8051F020 based on single-chip serial port of the source code of communication.

步近电机控制代码，可以控制正反，停，限位等功能，带仿真图。-Near step-by-step motor control code to control both positive and negative, stop, limit and other functions, with simulation of Fig.

有关液体点滴控制的资料 方案论证及具体实现 电路图-The liquid drip proof control of the information program and the specific realization of circuit diagram

直流电机转速测控，并实现语音报速，而且在LCD上显示当前设置的速度-DC motor speed measurement and control, and realize al-speed voice, but also in LCD displays current settings of the speed of

键盘与显示，按下相应的按键，数码管就显示相应的数字-The keyboard and display, press the corresponding button, digital controls, it displays the corresponding figure

CRC32，适用于internet,文件等的校验，可靠程度比CRC32高，但运算要比CRC16复杂，需要的占用的代码空间也大一点-CRC applied to internet, checking the documents, reliable than CRC, but the operation than CYXLIC REDUNDANCY complex, requiring the occupants of the large code space 1:00

STC89C52脉宽调制