SET UP.
L
O
U
MATERIALS
[A] Arduino Duemilanove
item #MKSP4 from
the Maker Shed
(
makershed.com)
[B] Arduino Ethernet
Shield Maker Shed #MKSP7
[C] 9-volt power supply
Maker Shed #MKSF3. Or use
a 9V battery with a center-positive 5.5mm× 2.1mm
barrel connector, especially if
your cat chews on wires.
[D] Enclosure This can be
almost anything, as long as
the Arduino and Ethernet
Shield fit inside. Also, since
your cat will be playing with
it, no glass or toxic paints,
and the heavier the better.
I used a $6 wooden box
from a local craft store.
From an electronics supplier,
such as Digi-Key, Mouser,
or RadioShack:
[E] LEDs: green ( 1)
and blue ( 1)
[F] Resistor, 10kΩ
N
D
C
E
H
F
G
[G] Resistors, 220Ω ( 2) or
other value matched to lighting your LEDs with 5V DC
[H] LED holders ( 2)
[I] SPST switch I used a
sub-mini toggle, RadioShack
part #275-0612.
[J] Ethernet cable
[K] Solid-core wire,
22 gauge, 2'– 3',
various colors
[L] Solder, rosin-core
[M] Heat-shrink tubing,
1" diameter
From a craft store:
[N] Craft glue, nontoxic
[O] Paint, nontoxic
[P] Paper, various colors
[Q] Glue stick
[R] Nontoxic sealer
(optional)
[S] Guitar E string
or similar steel wire
J
B
O
P
S
T
A
I
W
V
M
[T] Hollow wall anchor,
medium duty, metal
#6-32× 1½" or similar,
from a hardware store
TOOLS
[U] Soldering iron
[V] MAKE: Warranty Voider
Leatherman “Squirt” E4
#MKWVE4 from the
Maker Shed. Or you can
use standard cutting pliers
and needlenose pliers.
[W] Paintbrushes
[X] Fume extractor
(optional) but highly
recommended, for your
respiratory health when
soldering. To make your
own, see MAKE Volume 19,
page 123.
R
Q
K
X
[NOT SHOWN]
Computer running Arduino
software free download at
arduino.cc
USB A-B cable for programming the Arduino. Borrow
one from your printer.
Drill and drill bits:
1",
3",
½" spade My LED holders
and switch needed
3" holes;
yours may vary.
Phillips screwdriver
Pencil and eraser
Scissors
Binder clips, various sizes
(optional)
83 Make:
