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