Gert Jan Schoneveld
Tests forked Keypad library.
Dependencies: FPointer keypad mbed
Schematic:
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:
- 3:fb173f712440
- Parent:
- 2:eaa3d23e9b29
- Child:
- 4:16191e501b63
--- a/keypad.lib Sat Nov 03 23:45:20 2012 +0000 +++ b/keypad.lib Sun Nov 04 09:50:00 2012 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/gj_schoneveld/code/keypad/#e6623f165199 +http://mbed.org/users/gj_schoneveld/code/keypad/#fb6929fac0db