文件名称:keyboardanddigitaldisplayformofelectroniclock
- 所属分类：
- 单片机(51,AVR,MSP430等)
- 资源属性：
- [WORD]
- 上传时间：
- 2012-11-26
- 文件大小：
- 17kb
- 下载次数：
- 0次
- 提 供 者：
- 来*
- 相关连接：
- 无
- 下载说明：
- 别用迅雷下载，失败请重下，重下不扣分！
介绍说明－－下载内容均来自于网络，请自行研究使用
用4×4组成0－9数字键及确认键。
用8位数码管组成显示电路提示信息，当输入密码时，只显示“8.”，当密码位数输入完毕按下确认键时，对输入的密码与设定的密码进行比较，若密码正确，则门开，此处用LED发光二极管亮一秒钟做为提示，同时发出“叮咚”声；若密码不正确，禁止按键输入3秒，同时发出“嘀、嘀”报警声；若在3秒之内仍有按键按下，则禁止按键输入3秒被重新禁止。
-Composed of 0-9 with 4 × 4 number keys and confirm key.
Formed with 8-bit digital tube display circuit prompts when a password, only show "8.", When finished press Enter to confirm the password digit key, enter the password on the password and compare, if the password is correct , then the door opened, light emitting diode LED used here as a prompt for a second, also issued "Ding Dong" sound If the password is not correct, against key input for 3 seconds, also issued a "tick, tick" sound alarm if in 3 seconds still pressing the button, then the ban button for 3 seconds to be re-importation ban.
用8位数码管组成显示电路提示信息，当输入密码时，只显示“8.”，当密码位数输入完毕按下确认键时，对输入的密码与设定的密码进行比较，若密码正确，则门开，此处用LED发光二极管亮一秒钟做为提示，同时发出“叮咚”声；若密码不正确，禁止按键输入3秒，同时发出“嘀、嘀”报警声；若在3秒之内仍有按键按下，则禁止按键输入3秒被重新禁止。
-Composed of 0-9 with 4 × 4 number keys and confirm key.
Formed with 8-bit digital tube display circuit prompts when a password, only show "8.", When finished press Enter to confirm the password digit key, enter the password on the password and compare, if the password is correct , then the door opened, light emitting diode LED used here as a prompt for a second, also issued "Ding Dong" sound If the password is not correct, against key input for 3 seconds, also issued a "tick, tick" sound alarm if in 3 seconds still pressing the button, then the ban button for 3 seconds to be re-importation ban.
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4×4键盘及8位数码管显示构成的电子密码锁.doc