微功耗单片机在数字压力表设计中的应用BB-micro-power microcontroller in a digital pressure gauge design of BB 下载
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简易数字电压表的设计,利用单片机AT89S51与ADC0809设计一个数字电压表，能够测量0－5V之间的直流电压值，四位数码显示，但要求使用的元器件数目最少。- 下载
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简易数字电压表的设计2 利用单片机AT89S51与ADC0809设计一个数字电压表，能够测量0－5V之间的直流电压值，四位数码显示，但要求使用的元器件数目最少。 -simple digital voltage meter design AT89S51 2 microprocessor design with a few Connection between ADC 0809 word voltage meter, capable of measuring 0 - 5V DC voltage between the value of four digital display, it requires the use of at least the number of components. 下载
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基于单片机系统的8路数字电压表程序设计问题-SCM system based on eight-way digital voltage meter design procedures 下载
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数字电压表 利用单片机AT89S51与ADC0809设计一个数字电压表，能够测量0－5V之间的直流电压值，四位数码显示，但要求使用的元器件数目最少。 -digital voltmeter SCM AT89S51 ADC0809 design with a digital voltmeter, capable of measuring 0 - 5V DC voltage between the value of four digital display, but requires a minimum number of components. 下载
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数字电压表设计，单片机AT89S51与ADC0809设计，能够测量0－5V之间的直流电压值，四位数码显示。完整的C语言代码和电路图- 下载
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利用单片机AT89S51与ADC0809设计一个数字电压表，能够测量0－5V之间的直流电压值，四位数码显示，但要求使用的元器件数目最少-SCM AT89S51 ADC0809 design with a digital voltmeter to measure 0 - 5V DC voltage between the value of four digital display, but requires a minimum number of components 下载
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目前基于单片微机的语音系统的应用越来越广泛，如电脑语音钟、语音型数字万用表、手机话费查询系统、排队机、监控系统语音报警以及公共汽车报站器等等。本文作者用Flash单片机AT89C2051和录放时间达60s的数码语音芯片ISD2560设计了一套智能语音录放系统，实现了语音的分段录取、组合回放，通过软件的修改还可以实现整段录取，循环播放，而且不必使用专门的ISD语音开发设备。-current microcomputer-based voice systems are widely used, such as computer voice minutes Digital Multimeter voice phone calls inquiring system, Queue. Voice Alarm Monitoring System and bus stations, and so on. The author with Flash microcontroller AT89C2051 and Playback time is 60 s digital voice chip IS D2560 Intelligent Design of a Voice Recording and Playback system, the voice of the Sub-taking, portfolio intervals. through software changes can also bring the whole of the admission, broadcast cycle, but without the use of specialized equipment ISD development. 下载
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C51单片机实现液晶秒表以及简单计算器 电路是一个51最小系统,没有采用总线方式,而简单的连线方式,上有4*4矩阵键盘,一数码管,89S51单片机,串口下载线,数码管显示锁存芯片\蜂鸣器\1602液晶. 代码已经调试成功过,可以实现时间的调整.4*4矩阵键盘,第一排前三列是实现小时\分钟\秒的加.第二排前三列是实现小时\分钟\秒的减.当然还可以通过设置矩阵键盘的键值,来实现加\减\乘\除四则运算,由数码管显示参与运算的数字以及最终的运算结果.-C51 MCU LCD stopwatch and a simple calculator circuit 51 is a minimum system, Bus not used, and simple connectivity, a 4 * 4 matrix keyboard, a digital control, devised microcontroller, Serial download cable, digital chip latches Display \ buzzer \ 1,602 LCD. Debugging code has been success, can be achieved period of adjustment .4 * 4 matrix keyboard, the first row is shown in the first three hours \ minutes \ plus seconds. shown in the second row is the first three-hour \ minutes \ seconds reduction. Of course You can also set up matrix keyboard keys to achieve increases \ by \ x \ In addition to four operators, Digital Display from operations in the number of operations and the eventual outcome. 下载
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