通过把音乐的节奏转变成字符以实现通过高低电平让蜂鸣器响...

FreeRTOS免费的开源实时操作系统，FreeRTOS的官方移植文档-FreeRTOS free open-source real-time operating system, FreeRTOS official Portable Document

Dallas单片机ds89c420的详细说明和下载软件，使用串口ISP

在微机上模拟I2C总线的设计中，用并行口的D0（PIN2）模拟SCL信号，用D1（PIN3）模拟SDA信号。根据IIC总线的电平规范 -Computer simulation on the design of I2C bus with a parallel port D0 (PIN2) Analog SCL signal, with D1 (PIN3) Analog signal SDA. According to the IIC bus specification level

DS1302+DS18B20+无线遥控应用程序-DS1302+ DS18B20+ wireless remote control applications

这是一个系列的单片机实验例子，有流水灯、数码管显示、行列式键盘、串口通信、系统功能等内容，是单片机初学者的最佳学习内容

能完成对小车的往返，转向，速度的控制，小车能在慢速区慢跑，快速区快跑-completion of the car, from steering and speed control, the car will slow, jogging and rapid sprints District

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单片机 万年历，包括源程序，原理图，不能通篇抄袭，-Singlechip calendar, including source code, schematics, full of plagiarism should not,

这是本人学习avr的一点成果吧{ 硬件mega8l，8个led共阳极接到PORTD。3位拨码开关接到PINB2,PINB1,PINB0,选择显示内容，PINC4接方向开关，使得正反向摇动都显示正向字，每次显示4个8X8点阵汉字（自己编制的），内附：原理图。实物图片，给有兴趣的朋友-This is my point to learn the outcome of avr bar (hardware mega8l, 8 Ge led a total of anode received PORTD. 3 DIP switches received PINB2, PINB1, PINB0, choose to display the content, PINC4 then switch the direction of making the pros and cons to the rock show that positive words, each show four 8X8 dot matrix characters (self-compiled), the enclosing : Principle diagram. Physical picture, to interested friends

p18f452液晶控制驱动程序，C语言实现-p18f452 LCD control driver, C language