189
Chapter 9, How to Build a Cubicle Intrusion Detection System
Exhibit A: Bill of Materials for Laser-Based System
Item Quantity Notes
1 uF capacitor 3 C1, C2, C4; DigiKey #P11332CT-ND
0.1 uF capacitor 1 C3; DigiKey #P2067-ND
LED 2 D1; Radio Shack #276-1622
Connector 1 JP1; DigiKey #CP-5-ND
Single in-line strip sockets 5 J1, J2, J3, J4, JP2; DigiKey #ED7064-ND
DB9 connector 1 P1; not required if SuperCarrier Board is used; Radio Shack Part
#276-1538
Transistor 1 Q1; DigiKey #2N5089-ND
1M-Ohm (1.5 M Ohm ok)
resistor
1 R1; Radio Shack #271-312
1K-Ohm resistor 2 R2, R3; Radio Shack #271-312
10K-Ohm resistor 2 R4, R6; Radio Shack #271-312
100-Ohm resistor 2 R7, R8; Radio Shack #271-312
Switch 1 S1; Radio Shack Part #275-1566
3.3V output voltage
regulator
1 U1; DigiKey Part #LP2950ACZ-3.3-ND
Laser diode module 1 U2; DigiKey Part #38-1002-ND
5V output voltage
regulator
1 U3; optional, included on SuperCarrier; DigiKey Part #LM1117T-5.0-
ND
Photo-detector 1 U4; DigiKey #PNA4603H
Operational amplifier 1 U5; LM358, DigiKey Part #296-1395-5-ND
Controller 1 Parallax #BS2-IC
Power supply 1 Radio Shack Part #273-1776
Electronics enclosure 1 DigiKey #SRA31B-ND
SuperCarrier 1 Optional; Parallax #27130
Tie wraps 1 package Radio Shack Part #278-1656
4-40 size screws 1 package Radio Shack Part #64-3011
4-40 size nuts 1 package Radio Shack Part #64-3018
2-56 size screws 1 package Radio Shack Part #64-3010
2-56 size nuts 1 package Radio Shack Part #64-3017
Film canister 1 35mm/APS/other opaque canister
LED 1 Radio Shack Part #276-1622
Blank printed circuit board
(PCB)
1 Required if SuperCarrier is not used; Radio Shack Part #276-158
Transparent red plastic 2” x 2” Available from local arts store
Exhibit A
ch09_cube.indd 189
1/13/2002 4:14:50 PM
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