URBAN S.O.S.

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URBAN S.O.S.
The Urbuan S.O.S. is constructed
using parts made available by the
department of transportation, and at
your local electronics store. The
S.O.S. uses a easy-to-use, open
source microcontroller, called the
Arduino, which is available online.
Notes: There are also large
quantities of barricade lights
available at construction sites
around your city.
2. Arduino Extreme
Pre-Built USB Board
Vendor: Arduino
Cost: 20 Euros each
URL: http://www.arduino.cc
/en/Main/Buy
Notes: If you want to build your
own, parts and schematics are
also available.
3. Arduino Proto/Perf
Shields
Vendor: Arduino
Cost: About $10
URL:http://www.tigoe.net/pco
mp/code/archives/arduino/000
729.shtml
Notes: These are still a DIY type
deal.
4. Cadmium Sulfide Photo
Resistor
Vendor: Radioshack and
various online vendors.
Cost: $0.99 for pack of 5
URL: www.radioshack.com
6. 22 AWG Assorted Wire
Jumper Kit
Vendor: Jameco
Cost: $15.95
URL: http://www.jameco.com
Notes: Any 20-28 AWG solid
core wire you typically use to
prototype circuits on a bread
board will do.
7. 20 AWG Stranded Wire
Vendor: Jameco,
Radioshack, online vendors
URL: http://www.jameco.com
Cost: $3 per roll
8. TIP 120 Transistors
Vendor: Jameco
URL: http://www.jameco.com
Cost: About $0.50 each
9. 12 Volt, 5Ah Battery
Vendor: Radioshack or various
online vendors
Cost: About $25
Vendor: Radioshack and
various online vendors.
Cost: $2.79 for pack of 5
URL: www.radioshack.com
FULL SCHEMATIC DRAWING ON FOLLOWING PAGE
TOOLS
A laptop with USB I/O, a
multimeter, wire cutters, pliers,
X-Acto, USB Cable, soldering iron.
RESOURCES
Software Resources
Morse Code Arduino Source Code
http://www.graffitiresearchlab.com
/barricade/SOScode/
Transistor Circuit
http://tigoe.net/pcomp/code/archive
s/bx-24/000294.shtml#000294
Photocell Circuit
http://www.makingthings.com/teleo/
cookbook/photocell.htm#diagram
Arduino Programming Software
http://www.arduino.cc/en/Main/Soft
ware
Electronics Resources
Arduino
http://www.arduino.cc/
Tom Igoe’s Physical Computing
http://www.tigoe.net/pcomp/index.
shtml
Physical Computing In Print
http://itp.nyu.edu/~dbo3/physical/
physical.html
**All prices are in US Dollars and based
on availabiltes either from online vendors
or local stores. Shipping abroad is likely to
increase the cost of some products.
**Units of measurement are Standard,
unless otherwise noted.
Project by IminentDisaster in collaboration with the GRL.
DIY Book by IminentDisaster and the GRL. 3D Modelling: Bryan Vaccaro.
All work in the public domain
Vendor: Rice Signs
Cost: $18-$25 each
URL: http://www.ricesigns.com
/buy/barricade_lights.htm
5. Carbon Film Resistors
WWW.GRAFFITIRESEARCHLAB.COM
1. Flashing Barricade Light
L.
.
R
G.
PARTS LIST
MANUAL
CES SUN
FALLA
T
M SPECIES
RERU
The Urban S.O.S. is a tool writers
and artists can use to get right up in
the face of those insitutions and
organization they have beef with
and tell them exactly what they think
about them...in morse code.
URBAN S.O.S.
MATERIALS LIST
Download