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Description: 由单片机来控制锁的打开与闭合，由HD7279来管理器键盘及显示；密码从键盘输入，用单片机控制7279显示当前锁的状态信息及报警。密码由4-6位数字组成，当输入密码时，有相应按键提示，正确时，单片机发出开锁信号，通过光耦控制，打开密码锁。为了避免密码锁被多次试探而解密，输入三次不符报警，此时单片机发出报警信号，经过放大发出报警声音。同时密码输入正确时可以修改密码，此时指示灯亮-Password is composed of 4 to 6 digits, when the input password, have corresponding button prompt, correct, MCU signal lock, by decoupling control of light, open a combination lock.In order to avoid the combination lock was tempted many times and decryption, input three discrepancy report to the police, the single chip microcomputer signal alarm, amplified alarm sounds.Password can modify the correct password at the same time, the indicator
Platform: |
Size: 3072 |
Author: 欧阳乐乐 |
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Description: 键盘扫面芯片HD7279驱动函数，测试可用使用.4个数据线驱动，定义如下sbit HD7279A_CS=P1^3
sbit HD7279A_CLK=P1^2
sbit HD7279A_DATA=P1^1
sbit HD7279A_KEY=P1^0 -Keyboard sweep surface chip HD7279 driver function, testing the use of available
Platform: |
Size: 2048 |
Author: 杨子 |
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Description: 该程序师用7279写的一位计算器的程序，能够实现加减乘除的功能，并且有清零的功能。-7279 with the programmer to write a calculator program, to achieve the functions of multiplication and division addition and subtraction, and Clear functions.
Platform: |
Size: 2048 |
Author: zi4195173 |
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Description: C8051F020采集按键信号，然后通过按键信号控制内部的AD采集，并且通过7279驱动LED，显示最终的信号结果-C8051F020 signal acquisition button, then the internal control of AD acquisition through a key signal, and the 7279 driver LED, display the final results of the signal
Platform: |
Size: 10240 |
Author: 张然 |
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Description: 利用7279及键盘显示接口电路，编程实现按键的读取，并将按键值显示在数码管上。-The use of 7279 and keyboard display interface circuit, programming to read the key, and the key value displayed on the digital tube.
Platform: |
Size: 1024 |
Author: 可欣 |
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Description: 单片机实验，实现一些单片机实验,基本并行I/O口实验
扩展并行I/O口实验
静态LED显示实验
矩阵键盘扫描实验
LCD 1602显示实验
ADC0808/9信号采集实验
按键声报警实验
8255扩展I/O口及交通信号灯控制实验
7279键盘扫描及动态LED显示实(single-chip computer experiment)
Platform: |
Size: 2664448 |
Author: wuyinggeng
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