Tuesday, March 2, 2010

Progress Report Week 7

We've decided to put aside the idea of using LEDs in conjunction with sound for this project. After testing the plausibility of LEDs in a real world scenario, we found them to not be very noticeable, even in the shade. We feel that with the limited amount of time that we have for this project, our final product would be far more polished if we were to focus exclusively on the sound interaction with the piece. We can dedicate our time to creating a sound interaction that is inherently connected to the physical space as well as the physical interaction.


Parts List per Module : 127.76


Arduino Duemilonove

http://arduino.cc/en/Main/ArduinoBoardDuemilanove

Cost: $29.00

# Needed: 1/arch = $29.00

Specs:

Operating Voltage 5V

Input Voltage (recommended) 7-12V

Input Voltage (limits)6-20V Digital I/O Pins14 (6 provide PWM output) Analog Input Pins6

DC Current per I/O Pin40 mA

DC Current for 3.3V Pin50 mA

Flash Memory 16 KB (ATmega168) or 32 KB (ATmega328),2 KB used by bootloader

SRAM1 KB (ATmega168) or 2 KB (ATmega328) EEPROM512 bytes (ATmega168) or 1 KB (ATmega328)

The board can operate on an external supply of 6 to 20 volts. If supplied with less than 7V, however, the 5V pin may supply less than five volts and the board may be unstable. If using more than 12V, the voltage regulator may overheat and damage the board. The recommended range is 7 to 12 volts.



IR Sensor/Emitter Sets

http://www.sparkfun.com/commerce/product_info.php?products_id=241

Cost: $1.76 (10-99 order)

# Needed: 4/arch = $7.04

Specs:

Description: Side-looking Infrared Emitters and IR Detectors. These simple devices operate at 940nm and work well for generic IR systems including remote control and touch-less object sensing. Using a simple ADC on any microcontroller will allow variable readings to be collected from the detector. The emitter is driven up to 50mA with a current limiting resistor as with any LED device. The detect is a NPN transistor that is biased by incoming IR light.


Photoresistor

Cost: $1.35 (10+)

# Needed: 1/arch = $1.35

Specs:

http://www.jameco.com/webapp/wcs/stores/servlet/ProductDisplay?langId=-1&storeId=10001&catalogId=10001&pa=202438&productId=202438&keyCode=WSF&cid=GMC

PHOTOCELL,150 mW, 200 VPK, 3.6 Kohm

MAX LITE,0.3 Mohm MIN DARK




Speaker

http://www.sparkfun.com/commerce/product_info.php?products_id=9151

Cost: $1.95

# Needed: 2/arch = $3.90

Specs:

Small Size

Power rating: 0.5W

Impedance: 8 ohm



Amp

http://www.parts-express.com/pe/showdetl.cfm?partnumber=320-214&source=googleps

Cost: $18

# Needed: 1/arch = $18

Specs:

500 mA ; 7.5 W ; 15V DC




Solar Cell

http://www.sparkfun.com/commerce/product_info.php?products_id=7840

Cost: $34.95

# Needed: 1/arch = $34.95

Specs:

2.5 Watts

Description: Packaged solar cell with barrel plug termination. This is a custom cell produced for SFE - not a small toy surplus item! This unit is rated for 8V open voltage and 310mA short circuit. We actually took a random unit outside and measured 9.15V open voltage and 280mA short circuit. Under ideal sun conditions (high-noon, clear sky) 310mA is very possible but will vary from cell to cell. We can even get 110mA from inside our office windows! Termination is a 5.5mm x 2.1mm barrel plug, center positive on a 2m cable. Monocrystalline high efficiency cells at 15-15.2%. Mates directly with many of our development boards. Unit has a clear epoxy resin coating with hard-board backing. Robust sealing for out door applications!
Dimensions: 7 x 4.5"




NiCd A Flat Top Battery A Nickel Cadmium Industrial Rechargeable Battery

http://www.batteriesplus.com/product/33221-NUN1400--AF-NiCd-A-Flat-Top-Battery/100093-1/102937-Industrial-Rechargeable-Cells/102949-Nickel-Cadmium/A.aspx

Cost: $4.19

# Needed: 8/arch = $33.52

Specs: A Nickel Cadmium Industrial Rechargeable Battery NiCd A Flat Top Battery NUN1400-AF. Top quality cells make top quality batteries. Get the right cell and have one of our Battery Experts assemble a pack to power your application. Talk to a Battery Expert at one of our stores regarding battery assembly and custom design capabilities using NiCd or NiMH cells.

Item number: NUN1400-AF

Weight: 0.1000 lbs

Voltage: 1.2V

Capacity: 1400MAH

Primary Applications: Battery pack assembly, industrial use and more






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