User`s guide

20 | P a g e
S-3 Cost to implement prototype
Lock
Parts list prototype
#
Vendor
cost
Aluminum Casing
1
Radioshack
$3.49
Door lock Actuator
1
$20.00
10 ohm 10 Watt resistors
4
Radioshack
$1.19
3/4"X5" galvanized Nipple
1
Ace Hardware
$2.49
flat steel scrap
1
Ace Hardware
$14.99
hose clamps size 24
2
Ace Hardware
$2.72
1 ft hose
1
Ace Hardware
$1.79
misc screws/rivets
1
Ace Hardware
$2.49
springs
2
Ace Hardware
$1.00
Total
$50.16
Table S- 1 Breakdown of Cost for Accelerometer
S-4 Time to Implement Prototype
2-3 weeks for designing the accelerometer circuit
1-2 weeks for constructing the accelerometer circuit
1-2 weeks for testing and troubleshooting of the accelerometer