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
- 下载次数:
- 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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