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Picaxe-28X1 Starter Pack (USB)
includes microcontroller in a project
board with a programming cable
Motor driver chips, L293D ( 2)
Solarbotics GM10 pager gearmotors
( 4) These can only turn from side
to side, not rotate fully around.
Sound recorder module (aka sampler
board), 20-second such as item
#PPM155 from techsupplies.co.uk,
or #276-1323 from radioshack.com.
The Tech Supplies module’s buttons
both have wire pairs you can connect
to easily. With RadioShack or other
modules, you’ll have to solder a wire
to button pads on the circuit board.
Speaker, 2", 16Ω
Ultrasonic distance sensor (aka
rangefinder), 3-pin Devantech SRF05
Solarbotics Gear Motor and Tread
Package, GM9 (143: 1, 90° shaft)
Flat wooden sticks such as paint
stirrers, popsicle sticks, etc.
Lightweight tubing or rod, fiberglass,
carbon fiber, or hollow aluminum,
about 1' (30cm) for the “bass drum”
(tail) and “snare drum” sticks
Lightweight fiberglass rod, very thin,
about 6" (15cm) for the “hi-hat”
drumstick
Aluminum or other tubing, ¼"
( 6.4mm) diameter × 4" (10cm) for
front wheel axle. Use the same tubing
as above or something heavier. I like
to cut pieces from old radio antennas.
Metal washers ( 4) to fit over the axle
Battery holder (long), 4×AA ( 2× 2)
Female-to-female jumper wires ( 15)
Yellow is nice, to match your robot.
Wire, stranded, 18–22 gauge, 3'
MATERIALS
See makeprojects.com/v/27 for
suppliers, prices, and other sourcing
information.
Header pins, male, snap-off ( 4)
Heat-shrink tubing Choose colors
to match your design.
Cable ties, various sizes and colors
Rechargeable AA batteries, 1.2V ( 4)
These need to be 1.2V — standard
1.5V alkalines might fry your robot.
Epoxy, quick-setting
Adhesive tape, double-sided either
foam or thin
TOOLS
Soldering equipment
Cutting tools for wood and wire
Lighter or heat gun
Screwdriver, small, Phillips for
mounting motors
Hot glue gun and glue sticks ( 5)
Fine-gauge steel wire to hold sticks
to the motor shafts while epoxying
Computer Windows, Mac OS X,
or Linux
Frits Lyneborg
44 Make: makezine.com/27
