<s>
Sun	B-Device
SPOT	I-Device
(	O
Sun	O
Small	O
Programmable	O
Object	O
Technology	O
)	O
was	O
a	O
sensor	B-Device
node	I-Device
for	O
a	O
wireless	B-Architecture
sensor	I-Architecture
network	I-Architecture
developed	O
by	O
Sun	O
Microsystems	O
announced	O
in	O
2007	O
.	O
</s>
<s>
The	O
device	O
used	O
the	O
IEEE	O
802.15.4	O
standard	O
for	O
its	O
networking	O
,	O
and	O
unlike	O
other	O
available	O
sensor	B-Device
nodes	I-Device
,	O
used	O
the	O
Squawk	B-Language
Java	B-Language
virtual	I-Language
machine	I-Language
.	O
</s>
<s>
After	O
the	O
acquisition	O
of	O
Sun	O
Microsystems	O
by	O
Oracle	B-Application
Corporation	I-Application
,	O
the	O
SunSPOT	O
platform	O
was	O
supported	O
but	O
its	O
forum	O
was	O
shut	O
down	O
in	O
2012	O
.	O
</s>
<s>
Its	O
first	O
processor	O
board	O
included	O
an	O
ARM	B-Architecture
architecture	I-Architecture
32	O
bit	O
CPU	O
with	O
ARM920T	O
core	O
running	O
at	O
180MHz	O
.	O
</s>
<s>
It	O
had	O
512KB	O
RAM	O
and	O
4MB	O
flash	B-Device
memory	I-Device
.	O
</s>
<s>
A	O
2.4GHz	O
IEEE	O
802.15.4	O
radio	O
had	O
an	O
integrated	O
antenna	O
and	O
a	O
USB	B-Protocol
interface	O
was	O
included	O
.	O
</s>
<s>
Sun	B-Device
SPOT	I-Device
uses	O
a	O
small	O
Java	B-Language
ME	I-Language
Squawk	B-Language
which	O
ran	O
directly	O
on	O
the	O
processor	O
without	O
an	O
operating	B-General_Concept
system	I-General_Concept
.	O
</s>
<s>
Both	O
the	O
Squawk	B-Language
VM	O
and	O
the	O
Sun	B-Device
SPOT	I-Device
code	O
are	O
open	O
source	O
.	O
</s>
<s>
Standard	O
Java	O
development	O
environments	O
such	O
as	O
NetBeans	B-Application
can	O
be	O
used	O
to	O
create	O
SunSPOT	O
applications	O
.	O
</s>
<s>
Protocols	O
such	O
as	O
Zigbee	B-Protocol
can	O
be	O
built	O
on	O
802.15.4	O
.	O
</s>
<s>
Sun	O
Labs	O
reported	O
implementations	O
of	O
RSA	B-Architecture
and	O
elliptic	O
curve	O
cryptography	O
(	O
ECC	O
)	O
optimized	O
for	O
small	O
embedded	O
devices	O
.	O
</s>
<s>
Sun	O
Microsystems	O
Laboratories	O
started	O
research	O
on	O
sensor	B-Architecture
networks	I-Architecture
around	O
2004	O
.	O
</s>
<s>
After	O
some	O
initial	O
experience	O
using	O
"	O
Motes	B-Device
"	O
from	O
Crossbow	O
Technology	O
,	O
a	O
project	O
began	O
under	O
Roger	O
Meike	O
to	O
design	O
an	O
integrated	O
hardware	O
and	O
software	O
system	O
.	O
</s>
<s>
The	O
first	O
limited-production	O
run	O
of	O
Sun	B-Device
SPOT	I-Device
development	O
kits	O
were	O
released	O
April	O
2	O
,	O
2007	O
,	O
after	O
months	O
of	O
delays	O
.	O
</s>
<s>
This	O
introduction	O
kit	O
included	O
two	O
Sun	B-Device
SPOT	I-Device
demo	O
sensor	O
boards	O
,	O
a	O
Sun	B-Device
SPOT	I-Device
base	O
station	O
,	O
the	O
software	O
development	O
tools	O
,	O
and	O
a	O
USB	B-Protocol
cable	O
.	O
</s>
<s>
The	O
entire	O
project	O
,	O
hardware	O
,	O
operating	O
environment	O
,	O
Java	B-Language
virtual	I-Language
machine	I-Language
,	O
drivers	O
and	O
applications	O
,	O
was	O
available	O
as	O
open	O
source	O
in	O
January	O
2008	O
.	O
</s>
<s>
Oracle	B-Application
Corporation	I-Application
acquired	O
Sun	O
Microsystems	O
in	O
2010	O
and	O
continued	O
Sun	B-Device
SPOT	I-Device
development	O
,	O
through	O
release	O
8	O
of	O
the	O
hardware	O
(	O
with	O
Sun-Oracle	O
logo	O
)	O
by	O
March	O
2011	O
.	O
</s>
<s>
A	O
new	O
forum	O
was	O
started	O
on	O
the	O
Oracle	B-Application
Technology	I-Application
Network	I-Application
on	O
May	O
7	O
,	O
2013	O
.	O
</s>
<s>
He	O
opened	O
an	O
alternative	O
developers	O
forum	O
in	O
July	O
2013	O
not	O
connected	O
to	O
Oracle	B-Application
.	O
</s>
