74hc595 driven gcc n

本设计介绍了bh17无线耳机的制作方案，包括整体设计思路，以及电路图等。-The design introduced the wireless headset bh17 production programs, including the overall design concept, as well as circuit diagrams, etc..

基于51单片机实现UART通信 SPI通信 和IIC通信 -Based on 51 single-chip UART communication realize SPI and IIC communications communications

zlg7290加液晶显示，本次拓展了20个按键，每按一键会在液晶上显示不同的数值。已通过硬件实现。-zlg7290 plus LCD display, this extends the 20 keys, each press a button in the LCD display different values. Has passed the hardware implementation.

FM1702芯片开发板源码采用AT89C52单片机控制射频芯片1702可以用在水表电表等上面-FM1702 chip development board source control using AT89C52 1702 RF chip can use the meter to a meter above etc.

一个字符叠加模块的源代码，主要用于可视对讲上的字符叠加，包括了整个工程文件-A character overlay module" s source code, mainly for the characters superimposed on the video intercom, including the entire project file

基于等精度测频原理，设计的等精度频率计，测试结果很精确，达到0.01HZ。-Such as the accuracy of frequency measurement based on the principle of design, such as precision frequency meter, test results are accurate to 0.01HZ.

单片机C语言的笔记。记录了单片机C的各个变量，函数计相应的例子-Single-chip C-notes. Singlechip C were recorded in all variables, function of the corresponding example

IIC总线的c语言程序，介绍 IIC总线的时序和操作方法-IIC Bus c Language Program, introduced IIC bus timing and method of operation

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

Medwin v2.39,51单片机开发利器-Medwin v2.39, 51 MCU Development weapon