A
B
C
D
MATERIALS
Box A wooden box, with
approximately ¼" walls
and a hinged lid at least
1¼" deep, is recommended, although other
styles will work. You can
make your own or buy
one (see “Select and
Cut the Box”). I bought
my elephant box at Cost
Plus World Market.
from SparkFun
Electronics (sparkfun.
com), $60
Wire cable, 4-pin dual-female jumper Seeed
#CAB104C4O, $3 for 5
Capacitors, 0.1μF ( 2)
RadioShack #272-135,
$2 each
LCD display, 8× 2
char, blue backlight
#LCD104B6B from
Seeed Studio (seeed
studio.com/depot), $5
Connection header, 6-pin
horizontal for the GPS,
Digi-Key #455-1806-1-ND
Wood dowel,
2"
diameter, 4"– 5" long
Lumber, 1× 1 stock, 2"– 3"
long
Photography by James Giroux and Mikal Hart; map copyright David Monniaux
Arduino Uno microcontroller item #MKSP4
from the Maker Shed
(
makershed.com), $35;
or the older Arduino
Duemilanove
Servomotor Hitec
HS-311 or HS- 55
#LXDEL5 or #LXTX42
from Tower Hobbies
(
towerhobbies.com),
$8 or $10, respectively
Headers, straight pin,
40-pin breakaway ( 2)
(optional) SparkFun
#PRT-00116, $3 each.
You’ll need these only if
you’re using my custom
shield. Break them into
7 header rows with pin
counts of 9, 8, 8, 6, 6, 4,
and 3.
L-hook screw Its length
should measure just less
than the inside height
of your box.
Paper clip for motor-to-dowel linkage
Push button momentary
switch with blue
LED, metal Seeed
#SWT101A2B, $7
Wood screws the right
depth for the walls of
your box
Arduino shield (plug-in
mini PCB) I designed a
custom shield for this
project, which you can
buy from me for $10 at
info@arduiniana.org.
Or you can use a ProtoShield for Arduino Kit,
Maker Shed #MKAD6,
$15.
Push button power
switch module (LV)
#750 from Pololu
(
pololu.com), $7
Headers, right-angle,
40-pin breakaway
SparkFun #PRT-00553,
$2. You’ll need one
3-pin row.
TOOLS
Batteries, AA ( 2)
5V boost voltage regulator NCP1402 Pololu
#798, $5
Battery holder, 2x
AA #270-408 from
RadioShack (radioshack.
com), $2
GPS receiver, 20-Channel
EM-406A SiRF III with
antenna #GPS-00465
Ribbon cable, 16-pin IDC
for the LCD, #H3AAH-
1606G-ND from Digi-Key
(
digikey.com), $2
Resistor, 220Ω (1W,
¼W, or ½W) RadioShack
#271-1313
Handsaw for light wood-
working
Rotary tool or jigsaw
Drill and drill bits
Soldering equipment
Glue gun and hot glue
USB cable
Computer with internet
connection
145 Make:
