Holland Web Works General Store

20 I/O pin Data Acquisition Board
Parts List

Resistors

1 ohm, ½ watt, 5%, Carbon Film
Panasonic, ERD-S1TJ1R0V
R1, R2, R3, R4

220 ohm, ½ watt, 5%, Carbon Film
Panasonic, ERD-S1TJ221V
R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20,
R21, R22, R23, R24, R25, R26, R27

100 ohm, ¼ watt, 5%, Carbon Film
Panasonic, ERD-S2TJ101V
R28, R29, R30, R31, R32, R33, R34, R35, R36, R37, R38, R39, R40,
R41, R42, R43, R44, R45, R46

1k ohm, ¼ watt, 5%, Carbon Film
Panasonic, ERD-S2TJ102V
R6, R7

10k ohms, ¼ watt, 5%, Carbon Film
Panasonic, ERD-S2TJ103V
R5

Capacitors

0.47 uF, 50V, Ceramic
AVX Corporation, SA305E474MAA
C1, C2, C3, C5, C6, C7, C8

10 uF, 16V, Electrolytic
Panasonic, ECE-A1CKS100
C4

Diodes

5.1V zener, ½ watt
Fairchild Semiconductor, 1N751ATR
D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
D16, D17, D18, D19, D20

ICs
Microcontroller
Microchip, PIC16F873A-I/SP
U1

RS232 Driver/Receiver
Linear Technology, LT1181ACN
U2

Voltage Regulator, 5V, 1.5A
NJR, NJM7805FA
U3

1.8432 MHz crystal oscillator
ECS, ECS-2100A-018
U4

Connectors

Power Jack, 2.1mm, PCB mount
CUI Inc., PJ-202A
P1

9 pin D-sub receptacle
Kobiconn, 152-3409
P2

Terminal Block, 3.5mm, 4 Position
Phoenix Contact, 1984785
P3, P5, P7, P8, P10, P11

Vertical Header, 4 Pos, .100 in
AMP, 640456-4
P4, P6

Vertical Header, 8 Pos, .100 in
AMP, 640456-8
P9, P12

Other

AC Adapter, 9 VDC, 300 mA
Xicon, 412-109033
Power Supply