This is the A-head
169
Chapter 8, How to Hack a Building-Size Display
Exhibit A: Small-Scale Bill of Materials
Item
Quantity
Notes
Wire
200m
CAT5 wire used to connect LED Buffer board to LEDs on
frame
Chicken wire
180 square feet
Hardware store
74ABT244
18
U1-U18; DigiKey Part #296-3967-5-ND
Resistor
144
R1 through R24 x 6; DigiKey Part #150QBK-ND
LED
144
D1 through D24; DigiKey Part #67-1612-ND
74HC4094 (4094)
18
U19-U35; DigiKey Part #296-14290-5-ND
20-pin IC socket
U1-U18; DigiKey Part #AE8920--ND
16-pin IC socket
18
U19-U35; DigiKey Part #AE8916-ND
1uF capacitors
6
C1-C6; DigiKey Part #P992-ND
4-pin AT power supply
connector
2
J8, J11; Hard drive power splitter cable available from local
computer store.
50-pin connector
6
CON2; DigiKey Part#CSR50T-ND
DB25 connector, male
6
P7; DigiKey Part #CMP25T-ND
DB25 connector, female
6
P1-P6; DigiKey Part #CFP25T-ND
50-pin ribbon cable
40 feet
J2; DigiKey Part #R008-50-ND
Standard ATX PC power
supply
1
Computer store
Blank prototype board
6
DigiKey Part #V2010-ND
Crimp tool
1
Open metal crimps
144