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.

Diff: FPointer.lib

Revision:
0:5410e5950602
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/FPointer.lib	Fri Nov 02 22:52:44 2012 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/AjK/code/FPointer/#56e309e76c19