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Interfacing keypad
1.
Interfacing keypad
2.
3.
4.
How a 4x4
keypad looks like??
5.
6.
0 0 0
0 Check in microcontroller ??? ??? ??? ??? 1 1 1 0
7.
1 1 1
0 Given by microcontroller 0 0 0 0
8.
Interfacing with microcontroller
9.
10.
Download now
![What is keypad? ,[object Object],[object Object],[object Object]](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)