Tests forked Keypad library.

Dependencies:   FPointer keypad mbed

Schematic:

http://schind.nl/keypad.png

No extra hardware is needed besides the wires and switches. The columns are outputs configured with open drain. The rows are inputs configured with pull up resistors. A key press pulls down its row. With scanning the column is determined thereafter.

See keypad for the forked library used in this project.

Committer:
gj_schoneveld
Date:
Fri Nov 02 22:52:44 2012 +0000
Revision:
0:5410e5950602
Child:
2:eaa3d23e9b29
Tests forked Keypad library

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gj_schoneveld 0:5410e5950602 1 http://mbed.org/users/gj_schoneveld/code/keypad/#9a9ec143840b