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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

SPACE GUN 3 TONE

àÊÕ§»×¹ÍÇ¡ÒÈ 3 â·¹

CODE 272

Figure 1. The Space Gun 3 Tone Circuit

NOTE:

FUTURE BOX FB17 is suitable for this kit.

POWER SOURCE

9V

SPEAKER8 Ω 0.25W

K

A

LED +

+ +

+ +

SW3 SW2 SW1

5 4 3 2 1

+9V

SP

G

9VFK272

Watch the polarity!

TRANSISTOR

Figure 3. Installing the Components

LED

RESISTOR

DIODE

TACTILE

SWITCH

ELECTROLYTICCAPACITOR

CERAMIC

CAPACITOR

C

C .....µF

C

C

+

+

C .....µF

TR

NPN

B

E

C

TR

KA

KA

LED

LED

LED

R .....Ω R

D

K A

D

K

A

DK

A

C

+

R

SW

SW

SW

SW SW

SW