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.
keypad.lib@0:5410e5950602, 2012-11-02 (annotated)
- 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?
User | Revision | Line number | New contents of line |
---|---|---|---|
gj_schoneveld | 0:5410e5950602 | 1 | http://mbed.org/users/gj_schoneveld/code/keypad/#9a9ec143840b |