Zoombak A-GPS Universal Locator Guía de usuario Pagina 17

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T-3 Cost to implement prototype
Parts list
Vender
Prototype Cost
Zoombak A-GPS
tracker
Ebay: usafthunderstorm
$29.99
6 volt solar panel
Radio shack
$9.99
1N4003 diode
Radio shack
$1.19
Waterproof Lens Cover
Walmart
$9.97
Heat Shrink
Radio shack
$4.99
Mounting Bracket
on hand
$5.00
Service plan
Zoombak
$19.99/Month with
$29.99 activation fee
TK102
Ebay
$69.99
SIM card with service
Best Buy
$24.99
Total
$206.09
Table T- 2 Prototype Cost of Tracking System
T-4 Time to implement prototype
1 day for ordering tracker and obtaining solar panel and parts.
1 week for designing and construction of solar trickle charger
1 week for receiving, activating, and testing tracker
P Power system (CJ,CW)
P-1 Technical summary
The power subsystem of the CABL is essential to the functioning of the overall
system. It is through this that all other parts of the system receive the power necessary to
function together. Power is supplied to the control circuit, the accelerometer, the counter, and
the clock through two voltage regulators designed to down step the voltage from up to 15 V to 5
V. These regulators work by dissipating heat through a metal heat sink built into the regulator
but due to the power dissipation the regulators can get very hot and shut off. The power system
supplies power to the alarm and locking mechanism through relays to control activation of these
subsystems and gives the RF receiver power to receive user input. The power system receives
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