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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...
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
- 2022-04-13 12:13:24下载
- 积分：1
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用C8051F040实现DA（模拟
用C8051F040实现DA（模拟-数字）变换。C8051F040集成了12位精度的DA转换器。-With the C8051F040 to achieve DA (analog- digital) conversion. C8051F040 integrates a 12-bit accuracy of the DA converter.
- 2022-09-12 21:55:03下载
- 积分：1
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由SPCE061A控制的74hc595的驱动程序,一般用于串转并
由SPCE061A控制的74hc595的驱动程序,一般用于串转并-by SPCE061A 74hc595 control of the driver, generally for serial switch and
- 2022-02-07 11:59:15下载
- 积分：1
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c51单片机实现GPS数据接受并通过数码管显示时间
c51单片机实现GPS数据接受并通过数码管显示时间-c51 achieve single-chip GPS data receive and display digital time
- 2022-05-31 08:49:06下载
- 积分：1
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modbus mega16源程序
AVR的小朋友们请查收
modbus mega16源程序
AVR的小朋友们请查收-modbus mega16 source AVR Please find the children
- 2022-02-21 12:35:42下载
- 积分：1
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蜂鸣器响
改变蜂鸣器的频率，通过改变延时时间
蜂鸣器的时间要是是靠延时来完成的...
蜂鸣器响
改变蜂鸣器的频率，通过改变延时时间
蜂鸣器的时间要是是靠延时来完成的-Buzzer buzzer ring to change the frequency by changing the delay time if the buzzer is the time to be completed by the time delay
- 2022-09-10 20:10:03下载
- 积分：1
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ardware sensors monitor 4.4.2.2 (June 2008)
(Shareware, trial period is two wee...
ardware sensors monitor 4.4.2.2 (June 2008)
(Shareware, trial period is two weeks)
The most universal hardware monitoring program
for Windows 9X/ME/NT/2000/XP/2003/VISTA x86/x64 editions
This program monitors and displays certain parameters (temperatures,
voltages, fans RPM) taken from h/w sensor chips, installed on smart
motherboards and/or graphics cards. Customizable alarms can be displayed.
Professional license includes thermo control features
(so-called "Software cooling"), nVidia/ATi graphics cards and
HDD S.M.A.R.T. monitoring.
- 2022-07-12 12:51:58下载
- 积分：1
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because I can not get the download rights, so I uoload this file.This is a wash...
because I can not get the download rights, so I uoload this file.This is a wash program, include a caculation of prograss for me, -because I can not get the download rights, so I uoload this file.This is a wash program, include a caculation of prograss for me,
- 2022-11-03 18:55:03下载
- 积分：1
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SST39x160 FLASH芯片读写函数，已经在实际项目中应用
SST39x160 FLASH芯片读写函数，已经在实际项目中应用-FLASH read/write
- 2022-07-17 10:26:46下载
- 积分：1
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Microcontroller serial communication program 51 MCU serial debugger one cases
串口通信的单片机程序51单片机串口调试程序一例-Microcontroller serial communication program 51 MCU serial debugger one cases
- 2022-03-11 19:52:27下载
- 积分：1
