The electronic password lock based on MCU development, with a complete circuit diagram.

第2章
.....\插图
.....\....\图2.12~14 8155实现阵列式键盘图.schdoc
.....\....\图2.20~23 电子密码锁电路图.SCHDOC
.....\....\图2.2滤波消抖动电路.schdoc
.....\....\图2.3双稳态消抖动电路.schdoc
.....\....\图2.4独立式按键接口电路.schdoc
.....\....\图2.5 4×4矩阵键盘.schdoc
.....\....\图2.6逐扫描法键盘示意图.schdoc
.....\....\图2.7线反转法键盘示意图.schdoc
.....\....\图2.8 4×4扫描式键盘电路.schdoc
.....\....\图2.DDB
.....\程序
.....\....\利用8155实现阵列式键盘
.....\....\......................\8155.c
.....\....\......................\8155.tuo
.....\....\......................\8155.xmp
.....\....\......................\DebugRel
.....\....\......................\........\8155
.....\....\......................\........\8155.hex
.....\....\......................\........\8155.lnp
.....\....\......................\........\8155.obj
.....\....\利用单片机IO口实现阵列式键盘
.....\....\............................\DebugRel
.....\....\............................\IOkey.c
.....\....\............................\IOkey.tuo
.....\....\............................\IOkey.xmp
.....\....\电子密码锁
.....\....\..........\DebugRel
.....\....\..........\........\I2C.obj
.....\....\..........\........\LOCK.obj
.....\....\..........\........\lock
.....\....\..........\........\lock.hex
.....\....\..........\........\lock.lnp
.....\....\..........\........\zlg7289.obj
.....\....\..........\I2C.C
.....\....\..........\I2C.H
.....\....\..........\LOCK.C
.....\....\..........\lock.tuo
.....\....\..........\lock.xmp
.....\....\..........\zlg7289.H
.....\....\..........\zlg7289.c

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