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KEYCHECK
- 4*4 key pad interfasing with 8051 by c languages
lock
- cod lock with 8952 and key pad project
KeyPad
- Source code demo scan key pad 4x4
Amazing-Key-Pad
- amazing keypad, it provides basic techniques to decode a matrix keypad. it uses 74ls138 decoder to accomplish this. C++ source code is also given. Thanks.