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: keypad.lib

Revision:
4:16191e501b63
Parent:
3:fb173f712440
--- a/keypad.lib	Sun Nov 04 09:50:00 2012 +0000
+++ b/keypad.lib	Sun Nov 04 09:56:51 2012 +0000
@@ -1,1 +1,1 @@
-http://mbed.org/users/gj_schoneveld/code/keypad/#fb6929fac0db
+http://mbed.org/users/gj_schoneveld/code/keypad/#873a9a452ef1