<s>
Prodikeys	B-Device
is	O
a	O
music	O
and	O
computer	B-Device
keyboard	I-Device
combination	O
.	O
</s>
<s>
So	O
far	O
there	O
have	O
been	O
3	O
different	O
versions	O
of	O
Prodikeys	B-Device
:	O
Creative	O
Prodikeys	B-Device
,	O
Creative	O
Prodikeys	B-Device
DM	O
and	O
Creative	O
Prodikeys	B-Device
PC-MIDI	O
.	O
</s>
<s>
It	O
has	O
37	O
mini-sized	O
music	O
keys	O
under	O
detachable	O
palm	O
cover	O
and	O
comes	O
with	O
Prodikeys	B-Device
software	O
.	O
</s>
<s>
The	O
MIDI	O
keyboard	B-Device
can	O
also	O
be	O
used	O
as	O
a	O
MIDI	O
controller	O
for	O
third-party	O
MIDI	O
software	O
.	O
</s>
<s>
It	O
lets	O
customize	O
the	O
keyboard	B-Device
's	O
hotkeys	O
functions	O
for	O
easy	O
access	O
to	O
the	O
software	O
suite	O
.	O
</s>
<s>
The	O
Prodikeys	B-Device
DM	O
does	O
not	O
use	O
USB	B-Protocol
,	O
but	O
rather	O
has	O
one	O
single	O
Mini-DIN	B-Protocol
connector	I-Protocol
for	O
the	O
PS/2	B-Protocol
port	I-Protocol
and	O
is	O
therefore	O
detected	O
as	O
a	O
regular	O
typing	O
keyboard	B-Device
.	O
</s>
<s>
The	O
included	O
Windows	O
software	O
communicates	O
with	O
the	O
keyboard	B-Device
driver	O
in	O
order	O
to	O
send	O
and	O
receive	O
MIDI	O
data	O
over	O
the	O
PS/2	O
line	O
.	O
</s>
<s>
This	O
protocol	O
has	O
been	O
partly	O
reverse-engineered	O
,	O
making	O
it	O
possible	O
to	O
use	O
the	O
Prodikeys	B-Device
DM	O
on	O
a	O
regular	O
USB	B-Protocol
port	O
using	O
an	O
Arduino	O
microcontroller	O
as	O
an	O
adaptor	O
.	O
</s>
