Parts List

DescriptionQty.Image
Printed Circuit Board1
Acrylic Cover Plate1
Programming Cable1
Power Adapter1

Integrated Circuits

Parallax Propeller microcontroller

(U4)

1

LM339 Quad comparator

(U1)

1

LM386 Audio Amplifier

(U6)

 

1

32kB EEPROM

(U7)

1

5V Regulator

(U2)

1

3.3V Regulator
(U3) 

1

Components

128x64 Monochrome LCD

(P1) 

1

4AAA battery holder

(BT1)

1

Speaker

(SP1)

1

802 Submini Joystick

(JOY1)

1

Thumbstick cap

(JOY1)

1

9-pin D-Sub Connector

(J3)

1

DC barrel jack

(J1)

1

3.5mm Audio Jack

(J2)

1

5MHz Crystal

(X1)

1

Switches

Slide Switch

(SW1)

1

Pushbutton Switch

(SW2, SW3)

2
Mini Pushbutton Switch
(SW4) 
1

Capacitors

Capacitor, Electrolytic, 100μF

(C3-C5,

C10,C12)

5

Capacitor, Electrolytic, 10μF

(C1)

1

Capacitor, Ceramic, 0.1μF

(C2, C6-C9,

C11, C13-C14)

8

 Resistors

Resistor, 100Ω, 1/4W

(R3, R35)

2

Resistor, 220Ω, 1/4W

(R24, R27)

2

Resistor, 1kΩ, 1/4W

(R16, R18, R21,

R23, R38, R39)

6

Resistor, 3kΩ, 1/4W

(R1-R2, R17,

R19-R20, R22)

6

Resistor, 4.7kΩ, 1/4W

(R31, R37)

2

Resistor, 10kΩ, 1/4W

(R25-R26, R28-R29,

R30, R32-R34,R36,

R40)

10

Resistor, 15Ω, 1/4W, Small

(R4-R15)

12

Trim Pot, Linear, 1kΩ

(RV1)

1

Trim Pot, Linear, 10kΩ

(RV2)

1

 Transistors

NPN transistor, TO92

2N3904

(Q1, Q2)

2

PNP transistor, TO92

2N3906

(Q3)

1

Diodes

LED, 5mm, green

(D1, D2)

2

Sockets

DIP socket, 40-pin

(U4)

1

DIP socket, 14-pin

(U1)

1

DIP socket, 8-pin

(U6, U7)

2

Headers

Header, 1x20, pin

(P1)

1

Header, 1x20, socket

(P1)

1

Header, 1x12, socket

(P2)

1

Header, 1x4, socket

(P3, P4)

2

Hardware

Hex Standoff

8

Screw

20
Nut4

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