is about the 51 and the LCD

简易电子琴的设计 一、 设计题目： 设计一简易电子琴，要求能够发出1、2、3、4、5、6、7等七个音符。 使用元件：AT89C51、LM324，喇叭，按键等 二、 设计目的 （1）能够对电子电路、电子元器件、印制电路板等方面的知识有进一步的认识，独立对其进行测试与检查。 （2）熟悉8051单片机的内部结构和功能，合理使用其内部寄存器，能够完成相关软件编程设计工作。 （3）为实现预期功能，能够对系统进行快速的调试，并能够对出现的功能故障进行分析，及时修改相关软硬件。 （4）对软件编程、排错调试、焊接技术、相关仪器设备的使用技能等方面得到较全面的锻炼和提高。-simple design of a flower, a design : a simple flower design, request, sent seven notes. Use Element : AT89C51, LM324, speakers, such as two keys, designed (a) to be able to electronic circuits, electronic components, such as printed circuit boards with the knowledge to further understanding of its independent testing and inspection. (2) familiar with the 8051"s internal structure and function and the rational use of its internal registers can be completed software programming design work. (3) To achieve the desired functionality, the system can quickly debugging, and the right to function failure analysis, the timely revision of the related hardware and software. (4) The right software programming, debugg

此代码是凌阳61板实验LCD显示汉字的原程序-This code is a 61 plate experiment Sunplus LCD display Chinese characters, the original procedure

MSP430F247系列的C源代码，，好东东哦-MSP430F247 series of C source code, and good Dongdong Oh

用ansi c 实现针对时钟芯片HT1380的驱动程序，以及实现电子时钟的源码-with ansi c achieve against the clock chip HT1380 driver, and the realization of the electronic clock source

运用AVR单片机MEGA16L控制NRF24L01射频芯片，进行数据的发送应用。-use mega16l to control nrf24l01 as a transmiter

学习用，使用前，认真阅读，按实际情况更改IO口！-to study, use, read carefully, according to the actual situation changes IO mouth!

模数ADC0832转换程序，AT89C52、S52微处理器-ADC0832 analog-to-digital conversion process, AT89C52, S52 microprocessor

义隆单片机读写24C** ** 24CXX 接口I2C总线读/写的程序 ** （所有时序均基于4MHZ晶体震荡器频率）-Elan Single-chip 24C**** 24CXX read and write I2C bus interface read/write procedures** (All timing are based on the frequency of 4MHz crystal oscillator)

大型商用电磁炉的源码程序，通过此程序可实现电磁炉的各种功能-Large commercial induction cooker of the source process, this process can be achieved through a variety of functional induction cooker

程序匠人的一片有关于按键的文章，十分经典，按键的规划，分类,"长按"“短按”-Program artisans an article on the button is very classic, key planning, classification, " long press" " Short Press" and so on