Gert Jan Schoneveld / Mbed 2 deprecated SaveKeypad

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.

keypad.lib

Committer:
gj_schoneveld
Date:
2012-11-03
Revision:
2:eaa3d23e9b29
Parent:
0:5410e5950602
Child:
3:fb173f712440

File content as of revision 2:eaa3d23e9b29:

http://mbed.org/users/gj_schoneveld/code/keypad/#e6623f165199