wind_meter

stm32的usart1和usart3配置为串口通信，均用中断实现串口接收。(stm32 usart1 and usart3 configured for serial communication, both with the serial port receive interrupt achieve.)

说明：  实时时钟芯片DS1302的C51编程，数据的读取及设置。(The C51 real-time clock chip DS1302 programming, data reading and settings.)

iCan4017模块改进程序，语言Windows Visual C++(iCan4017 programme, Windows Visual C++.)

主要反映了LCD液晶显示器的一些显示原理以及它的一些参数问题 (Mainly reflects the LCD monitor display principle and some parameters of the problem)

1、学习目的：利用定时器产生PWM，了解原理和使用方法 2、硬件要求：直流电机 定时器 3、试验现象：按键调速，PWM部分显示速度档位，电机根据档位调节速度 这个需要把电机驱动输入端和PWM端连接起来(1 Learning Objectives: To use the timer to generate PWM, to understand the principles and use, hardware requirements: DC Timer 3, the experimental phenomenon: button speed control, the PWM section shows speed gear, the motor stalls adjust the speed the motor drive input and PWM connect)

c语言开发单片机 控制跑马灯的亮度的变化 按键控制亮度增减(C develop SCM Control the brightness of the scrolling the change of control buttons increase or decrease brightness)

ATSHA204 主要特性： 1，SHA-256 Hash算法 2，有保证的唯一的72-bit序列号； DS28CN01　６４－ｂｉｔ 不仅有软件加密，内部还有高质量硬件加密。 3，16个槽口的4kbits EEPROM： 4Kbits / 8 = 512Bytes 每个槽口32bytes 4，I2C接口, 单线接口 5, 和Atmel AT88SA102S，AT88SA10HS 6, i2c 地址默认为0xc8； 还可以configuration zone改变地址。(CryptoAuthentication Device Family Atmel offers the industry s widest selection of hardware authentication and encryption devices. The portfolio is currently comprised of three parts with several others under development. Our CryptoAuthentication devices provide confirmation that hardware and software products are real, which is what authentication is all about. The devices are extremely cost-effective and come in exceptionally small packages.)

实现AVR单片机的矩阵键盘的扫描法的C源代码(AVR MCU matrix keyboard scanning method of C source code)

电子竞赛用超好的资料，网上没有的。欢迎大家来看(Electronic racing super good information, not online. Welcome to the point of view)

这个程序可以实现两个单片机之间双向通信的功能。(This program can realize the function of two-way communication between two microcontrollers.)