I designed keyboard with 802,051 procedures to achieve the identification code. System uses a regular query, Anti-Shake. If the monitoring to you a code, the system will output the keyboard code. And then give me interrupt you for the prompt Center machine, read the key code. Support the long press.

Packet : 35738645keypad_mcu_program.rar filelist
Keypad_单片机实现程序设计
Keypad_单片机实现程序设计\AT89X52.H
Keypad_单片机实现程序设计\KEY
Keypad_单片机实现程序设计\KEY.BAK
Keypad_单片机实现程序设计\KEY.BIN
Keypad_单片机实现程序设计\KEY.C
Keypad_单片机实现程序设计\KEY.C.bak
Keypad_单片机实现程序设计\KEY.HEX
Keypad_单片机实现程序设计\KEY.LST
Keypad_单片机实现程序设计\KEY.M51
Keypad_单片机实现程序设计\KEY.OBJ
Keypad_单片机实现程序设计\key.PRJ
Keypad_单片机实现程序设计\TEMP.LST
Keypad_单片机实现程序设计\WAVE.LIN

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