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PARTS LIST

If any parts are missing or damaged, see instructor or bookstore. DO NOT contact your place of purchase as
they will not be able to help you.
Contact Elenco Electronics (address/phone/e-mail is at the back of this manual) for additional assistance, if
needed.

RESISTORS

Qty

Symbol

Value

Color Code

Part #

2

R2, R3

330

5% 1/4W

orange-orange-brown-gold

133300

2

R1, R4

10k

5% 1/4W

brown-black-orange-gold

151000

CAPACITORS

Qty

Symbol

Value

Description

Part #

2

C1, C2

100

µ

F

Electrolytic

281044

SEMICONDUCTORS

Qty

Symbol

Value

Description

Part #

2

Q1, Q2

2N3904

Transistor NPN

323904

4

D1 - D4

Light Emitting Diode (LED) Red

350002

MISCELLANEOUS

Qty

Symbol

Description

Part #

1

PC Board

518017

1

S1

Slide Switch

541102

1

24” Solder Roll

551124

1

B1

Battery Snap

590098

2

4” Wire

814620

-1-

Resistor

Capacitor

PARTS IDENTIFICATION

Electrolytic

Switch

Battery Snap

Transistor

LED

Содержание K-17

Страница 1: ...LED ROBOT BLINKER KIT MODEL K 17 Assembly and Instruction Manual Elenco Electronics Inc Copyright 1989 1998 Elenco Electronics Inc Revised 2001 REV J 753217...

Страница 2: ...ange orange brown gold 133300 2 R1 R4 10k 5 1 4W brown black orange gold 151000 CAPACITORS Qty Symbol Value Description Part 2 C1 C2 100 F Electrolytic 281044 SEMICONDUCTORS Qty Symbol Value Descripti...

Страница 3: ...e their actual value printed on them Some capacitors may have their value printed in the following manner The maximum operating voltage may also be printed on the capacitor Second Digit First Digit Mu...

Страница 4: ...now repeats itself with Q2 conducting until capacitor C1 nears full charge and begins to turn transistor Q1 ON Effectively the two transistors will alternately turn ON and OFF every 1 2 second The vo...

Страница 5: ...ponent Lead Solder Soldering Iron Drag Foil 1 Solder all components from the copper foil side only Push the soldering iron tip against both the lead and the circuit board foil 2 Apply a small amount o...

Страница 6: ...rown gold Q2 2N3904 Transistor see Figure B R4 10k 5 1 4W Resistor brown black orange gold C1 100 F Electrolytic Cap see Figure C D4 LED see Figure A Figure C Electrolytic capacitors have polarity Mou...

Страница 7: ...o see that the battery snap is correctly mounted to the PC board 3 Check to see that the LEDs are mounted correctly Short the cathode of LED D1 to the negative battery lead The LED should light If not...

Страница 8: ...e the emitter 6 When transistor Q1 is conducting capacitor C2 will be ____________ 7 When transistor Q2 is conducting LEDs D__ and D__ will be on 8 The frequency of the Robot Blinker is ___ cycles per...

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