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design-a-digital-voltmeter
- 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。-AT89S51 and ADC0809 microchip design a digital voltmeter, capable of measuring between 0-5V DC voltage, four digital display, but requires a minimum number of components.
00-99-key-counter
- 利用AT89S51单片机来制作一个手动计数器，在AT89S51单片机的P3.7管脚接一个轻触开关，作为手动计数的按钮，用单片机的P2.0－P2.7接一个共阴数码管，作为00－99计数的个位数显示，用单片机的P0.0－P0.7接一个共阴数码管，作为00－99计数的十位数显示-AT89S51 microcontroller used to create a manual counter, in the AT89S51 MCU P3.7 pin by one touch switch, a manua
jiaotongdeng
- 本交通灯以AT89S51单片机为核心，通过编程可实现使8位发光二极管按照交通灯的模式工作；通过识别按键，可以改变红灯、黄灯等待时间和工作模式；时间的产生通过定时器0计时方式1来实现，确保计时精确。本系统直接模拟直通的十字路口交通灯，初始设定为绿灯亮15s，然后黄灯亮5s,之后开始转换车道。在红灯等待的时间内，通过数码管显示等待时间。到黄灯时，黄灯会闪烁发光给人以提醒要转换车道。当车流量发生变化需要调整时间时，可以通过3个按键中的2个按键加减计时，同时改变后的时间会通过4位发光二极管以二进制模式显
curtain-style
- 用AT89S51单片机的P0.0/AD0－P0.7/AD7端口接数码管的a－h端，8位数码管的S1－S8通过74LS138译码器的Y0－Y7来控制选通每个数码管的位选端。AT89S51单片机的P1.0－P1.2控制74LS138的A，B，C端子。在8位数码管上从右向左循环显示“12345678”。能够比较平滑地看到拉幕的效果。-AT89S51 microcontroller P0.0/AD0-P0.7/AD7 port with access to a-h digital side, 8-bit
8
- 每按下一次开关 SP1，计数值加 1，通过 AT89S51单片机的 P1端口的 P1.0到 P1.3 显 示出其的二进制计数值。-Each time you press switch SP1, plus a count by AT89S51 microcontroller ports P1.0 to P1.3 P1 revealed a binary count.
458
- 用 AT89S51 的并行口 P1 接 4×4 矩阵键盘，以 P1.0－P1.3 作输入 线，以 P1.4－P1.7 作输出线；在数码管上显示每个按键的“0－F”序号-AT89S51 parallel port P1 with 4 × 4 matrix keyboard connected to P1.0-P1.3 as input lines to P1.4-P1.7 as an output line in the digital display for each button on
Watchdog
- 看门狗，有AT89S51看门狗演示和键控喂狗实验，采用C语言编程，供大家学习-Watchdog, the watchdog has AT89S51 feed the dog demonstrations and keying experiments using C language programming, for everybody to learn
danpianjichuanhangLEDxianshi
- 本文所设计的是一个LED显示屏控制系统，该控制系统以AT89S51为控制器，采用RS-232通信标准-This paper designed a LED display control system, the control system to the controller AT89S51, RS-232 communication standard with ......
4X4-KeyBoard
- 用AT89S51的并行口P1接4×4矩阵键盘，以P1.0－P1.3作输入线，以P1.4－P1.7作输出线；在数码管上显示每个按键的“0－F”序号-Parallel port P1 with AT89S51 4 × 4 matrix keyboard connected to P1.0-P1.3 as input lines to P1.4-P1.7 as an output line in the digital display for each button on the " 0-F
VOLTMETER
- 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。-AT89S51 and ADC0809 microchip design a digital voltmeter, capable of measuring between 0-5V DC voltage, four digital display, but requires a minimum number of components.
keil
- Hatching ver 1. this program is for incubator systems. the micro controller is at89s51. the sensor is sht75. temp and humidity sensor is in one pack. ashpazkhoneh.com
measure_temperature_program
- AT89S51单片机使用DS18B20测温度。调试通过。并在最小系统版上实现。保证好用。使用数码管显示。-AT89S51 microcontroller DS18B20 measured temperature. Through debugging. And to achieve the minimum system version. To ensure ease of use. Using the digital display.
Humidity_measurement_program
- 使用AT89S51单片机测湿度。湿度传感器：HS1101。传感器电容随湿度改变，利用555产生方波。在最小系统版上实现。保证好用。-Humidity measurement using the AT89S51 microcontroller. Humidity Sensor: HS1101. With the humidity sensor capacitance changes produced by 555 square wave. To achieve the minimum system
shuzhidianyabiao
- 利用单片机AT89S51实现能够测量0－5V之间的直流电压值，四位数码显示 有电路原理图，源程序，和生成的目标文件，很有用的-AT89S51 microchip capable of measuring to achieve between 0-5V DC voltage value, four digital display with circuit schematics, source code, and generate the object files, very useful
VOLTMETER
- 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。-AT89S51 and ADC0809 microchip design a digital voltmeter, capable of measuring between 0-5V DC voltage, four digital display, but requires a minimum number of components.
project
- 测温比较准确的场所，或科研实验室使用，该设计控制器使用单片机AT89S51，测温传感器使用DS18B20，用3位共阳极LED数码管以串口传送数据,实现温度显示,能准确达到以上要求。-Temperature measurement is precise place, or scientific research laboratory use, this design AT89S51 single-chip microcomputer controller to operate, temperatu
AT89S51shijianjiaochen
- 将<AT89S51单片机试验及实践教程>里面的实验用Proteus仿真!!!!包括C语言的和汇编的!!! 其中包含34个实例，都是很基础的。-Will <AT89S51单片机试验及实践教程> Inside the experimental Proteus simulation!!!! Including C and assembly language!!! Which contains 34 examples are very basic.
Digital-voltmeter
- 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。-AT89S51 and ADC0809 microchip design a digital voltmeter, capable of measuring between 0-5V DC voltage, four digital display, but requires a minimum number of components.
lamushixianshi
- 拉幕式数码显示技术，用AT89S51单片机的P0.0/AD0－P0.7/AD7端口接数码管的a－h端，8位数码管的S1－S8 通过74LS138 译码器的Y0－Y7 来控制选通每个数码管的位选端-Pull-screen digital display technology, with the AT89S51 microcontroller P0.0/AD0-P0.7/AD7 port connected to a-h digital side, 8-bit digital control of
hongwai
- 实现红外线接收功能 主芯片为AT89S51-To achieve the main function of the infrared receiver chip AT89S51