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FUTURE KIT

FUTURE KIT

HIGH QUALITY ELECTRONIC KITS

HIGH QUALITY ELECTRONIC KIT SET FOR HOBBY & EDUCATION

R

NO.2

Figure 2. Circuit Assembling

LEVEL 1

DIGITAL COUNTER 2 DIGIT

ǧ¨Ã Ô¨ÔµÍÅà¤Ò·‹àµÍË 2 ËÅÑ¡

CODE 926

Figure 1. The Digital Counter 2 Digit Circuit

NOTE:

FUTURE BOX FB04

is suitable for this kit.

+

+

FK926

2

1

RESET TEST

RESET

IN

6-12V+

-

RESET

OUT

+

-

CK+ -

INPUT SIGNAL+ -

+12V

GND

anode(A)

cathode (K)

common

Select jumper

C

+

+

C .....µFR .....Ω R

R

TRTR

0.56"

DUAL DIGIT DISPLAY

C

+

Figure 3. Installing the ComponentsRESISTOR ELECTROLYTIC

CAPACITOR

Watch the polarity!

TRANSISTOR

NPN

B

E

C

IC

Watch the

position of the notch!1

IC

SW

SW

SW

SW SW

SWTACTILE

SWITCH

internal circuit diagram

common cathode

14COM

A16

B15

C3

D2

E1

F18

G17

DP4

13COM

A11

B10

C8

D6

E5

F12

G7

DP9

common anode

14COM

A16

B15

C3

D2

E1

F18

G17

DP4

13COM

A11

B10

C8

D6

E5

F12

G7

DP9

TOP

1

18

PIN OF DUALDIGIT DISPLAY