SET UP.
A
B
C
D
E
F
MATERIALS
RFID Teddy Bear Project Bundle
available from Make: Projects
( makeprojects.com/v/28). Includes
all materials below except stuffed
toy and velcro.
A. Stuffed toy Choose something
quite soft that can accommodate the
electronics easily and also provide
some padding for them.
» Wire, 22 gauge, solid multiple colors
» Velcro that matches toy color
» Thread that matches toy color
» Barrel connector, size M
( 5.5mm outer × 2.1mm inner)
power plug for Arduino
» Battery holder, 6×AA
» Rechargeable batteries, AA ( 6)
» SD memory card
» Battery clip for 9V battery
(optional) if battery holder has 9V
connector rather than wire leads
G
B. Arduino microcontroller
C. Wave Shield an audio shield for
Arduino, sold as a kit from Adafruit
Industries
D. RFID card reader, serial
aka RFID antenna, from Parallax Inc.
E. RFID tags, 125kHz, one for each
object you have audio files for
Parallax offers several different
shapes/sizes.
F. Speaker, 3"
Gregory Hayes
G. Connector header, female, 4-pin,
0.1" spacing, with 4 jumper wires
Or use a 4-pin female connector cable
and cut off one end.
TOOLS
» Soldering iron
» Solder
» Phillips screwdriver
» Wire cutters and strippers
» Scissors or X-Acto knife
» Sewing needle
» Tape, electrical
» Marking pen, permanent
» Computer with internet connection
» USB programming cable for
» SD memory card adapter if your
computer doesn’t have a built-in
SD slot
Arduino
109 Follow us @make