18
4) This
usb_keymap.h
is to define some keys, such as space and Enter.
Open the handle.ino file, find the lines for key control.
5) To change the keys
Up
,
Down
,
Left
, and
Right
, with keys
O
,
P
,
Q
, and
R
, you just need to
modify the corresponding key value.
SunFounder