r future kit ǧ¨Ã´Ô¨ÔµÍÅ´ Õ« ÕâÇÅ· ‹Á ÔàµÍà ‹ figure 1 ... · future...

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http://www.futurekit.com FUTURE KIT FUTURE KIT HIGH QUALITY ELECTRONIC KITS HIGH QUALITY ELECTRONIC KIT SET FOR HOBBY & EDUCATION R NO.1 Figure 2. Circuit Assembling LEVEL 2 DIGITAL DC VOLTMETER ǧ¨Ã´Ô¨ÔμÍÅ´Õ«ÕâÇÅ·‹ÁÔàμÍË CODE 924 Figure 1. The Digital DC Voltmeter Circuit VR2 VR1 + + + DP IN2 IN1 G 7.5-15V G + FK924 J J COPPER SIZE OF DISPLAY BOARD COPPER SIZE OF MOTHER BOARD SOLDERING COPPER SIZE OF MOTHER BOARD R .....R R Figure 3. Installing the Components RESISTOR C .....µF C C CERAMIC CAPACITOR C + + C .....µF C + ELECTROLYTIC CAPACITOR Watch the polarity! TRIMMER POTENTIOMETER VR ..... K1 2 3 VR VR TRANSISTOR NPN B E C TR TR PNP B E C D K A K A K A ZD K A DIODE AND ZENER DIODE IC2 IN GND OUT NOTE: FUTURE BOX FB06 is suitable for this kit. NO.1

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Page 1: R FUTURE KIT ǧ¨Ã´Ô¨ÔµÍÅ´ Õ« ÕâÇÅ· ‹Á ÔàµÍà ‹ Figure 1 ... · FUTURE KIT FUTURE KIT HIGH QUALITY ELECTRONIC KITS HIGH QUALITY ELECTRONIC KIT SET FOR HOBBY

http://www.futurekit.com

FUTURE KIT

FUTURE KIT

HIGH QUALITY ELECTRONIC KITS

HIGH QUALITY ELECTRONIC KIT SET FOR HOBBY & EDUCATION

R

NO.1

Figure 2. Circuit Assembling

LEVEL 2

DIGITAL DC VOLTMETER

ǧ¨Ã Ô¨ÔµÍÅ Õ«ÕâÇÅ·‹ÁÔàµÍË

CODE 924Figure 1.

The Digital

DC Voltmeter

Circuit

VR2 VR1

+

+

+

DP

IN2IN1G7.5-15V

G+

FK924

J J

COPPER SIZEOF DISPLAY BOARD

COPPER SIZEOF MOTHER BOARD

SOLDERING

COPPER SIZEOF MOTHER BOARD

R .....Ω

R

R

Figure 3.Installing the Components

RESISTOR

C .....µF

C C

CERAMICCAPACITOR

C

+

+

C .....µF

C

+

ELECTROLYTICCAPACITOR

Watch the polarity!

TRIMMER

POTENTIOMETERVR .....KΩ1

2

3

VR VR

TRANSISTOR

NPN

B

E

C

TRTR

PNP

B

E

C

DK A

K

A

K

A

ZDK A

DIODE AND

ZENER DIODE

IC2

IN

GN

D

OU

T

NOTE:

FUTURE BOX FB06

is suitable for this kit.

NO.1