文件名称:33
- 所属分类：
- 单片机(51,AVR,MSP430等)
- 资源属性：
- [Text]
- 上传时间：
- 2012-11-26
- 文件大小：
- 1kb
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- 0次
- 提 供 者：
- zhan*****
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AT89X52 4×4键盘及8位数码管显示构成的电子密码锁 。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。
-AT89X52 4 × 4 keypad and 8-bit digital tube display consisting of electronic locks. 4 × 4 with the composition of the number keys 0-9 and confirm key. With 8-bit digital tube display circuit message, when the input password, only shows " 8." , When the median enter password press the confirm button when finished to set the password with the password for comparison, if the password correct, then the door opened here with a bright LED light-emitting diodes as a matter of seconds suggests that at the same time issued a " ding dong" sound if the password is not correct to prohibit the importation of key three seconds, at the same time issued a " 嘀,嘀" alarm sound if there are still three seconds of pressing the button, the button to prohibit re-importation ban on three seconds.
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。
-AT89X52 4 × 4 keypad and 8-bit digital tube display consisting of electronic locks. 4 × 4 with the composition of the number keys 0-9 and confirm key. With 8-bit digital tube display circuit message, when the input password, only shows " 8." , When the median enter password press the confirm button when finished to set the password with the password for comparison, if the password correct, then the door opened here with a bright LED light-emitting diodes as a matter of seconds suggests that at the same time issued a " ding dong" sound if the password is not correct to prohibit the importation of key three seconds, at the same time issued a " 嘀,嘀" alarm sound if there are still three seconds of pressing the button, the button to prohibit re-importation ban on three seconds.
相关搜索： 电子密码锁
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