Kenji Arai
test program for keypad(Extended not only 3x4 but 4x4,4x5 and 5x5 keys)
Fork of
study_step0
by 
Team_PjL
see /users/kenjiArai/notebook/keypadkey-matrix--control/
History
run on mbed-os6.6.0 (online compiler)
2021-02-18, by kenjiArai [Thu, 18 Feb 2021 08:15:37 +0000] rev 5
run on mbed-os6.6.0 (online compiler)
changed pc.printf to printf
2020-08-01, by kenjiArai [Sat, 01 Aug 2020 07:49:39 +0000] rev 4
changed pc.printf to printf
modified keypad library and changed port assign
2020-04-13, by kenjiArai [Mon, 13 Apr 2020 02:07:09 +0000] rev 3
modified keypad library and changed port assign
Extended not only 3x4 but 4x4,4x5 and 5x5 keys
2020-04-06, by kenjiArai [Mon, 06 Apr 2020 04:57:04 +0000] rev 2
Extended not only 3x4 but 4x4,4x5 and 5x5 keys
test program for keypad(4x3 keypad library)
2017-09-30, by kenjiArai [Sat, 30 Sep 2017 23:29:05 +0000] rev 1
test program for keypad(4x3 keypad library)
Study step 0
2017-08-10, by kenjiArai [Thu, 10 Aug 2017 20:50:46 +0000] rev 0
Study step 0