74HC595

本文介绍一种利用单片机本身所提供的串行通讯口，采用自定义串行通信协议，加上总线驱动器如MAX481、MAX483、MAX485、MAX487等组合成简单的RS－485通讯网络，完成单片机间的多机通讯。(This article describes a serial communication port provided by the microcontroller itself, the custom serial communication protocols, coupled with the bus driver, such as the MAX481, MAX483, MAX485, MAX487, combined into a simple RS-485 communication network, complete single-chip between themulti-machine communication. )

基于STM32F4的示波器的源代码，内部含有ucos-ii操作系统。(STM32F4 based oscilloscope source code contains an internal ucos-ii operating system.)

时钟的应用源代码，可以让初次设计有关定时操作的人员借鉴。 (Clock application source code, allowing designers about the timing of the initial operation of reference.)

Iar环境下avr_bootloader的编写，可以参考参考。(Preparation of Iar under the environment of avr_bootloader, can refer to the reference.)

毕业设计中等精度频率计8051IP核的C语言代码，功能是计算频率，脉宽，相位。还有控制LCD12864(Graduate design Medium precision frequency meter the 8051IP nuclear C-language code, the function is to calculate the frequency, pulse width, phase. As well as control LCD12864)

PS2通信，用stm32单片机模拟键盘鼠标往电脑送数据。(PS2 communication with stm32 SCM simulation to send data to a computer keyboard and mouse.)

一个简单的定时器定时0.5s和1s程序，指在教导新手如何使用定时器(A simple timer timer 0.5s and 1s procedures, means to teach novices how to use the timer)

AD9851中文资料，为pdf格式，资料比较详细，希望对需要者有所帮助。(AD9851 Chinese data)

单片机内刻录程序，包含C语言和汇编语言两个版本。实现7455C5与单片机的串口通信，信息传输。(Microcontroller burning program, contains two versions of the C and assembly language. 7455C5 microcontroller serial communication, information transfer.)

stm32f072rbt6 直流电机编解码（光栅编码器）的数据采集程序。(stm32f072rbt6 DC codec (coder raster) data collection program.)