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FUTURE KIT

FUTURE KIT

HIGH QUALITY ELECTRONIC KITS

HIGH QUALITY ELECTRONIC KIT SET FOR HOBBY & EDUCATION

R

NO.1

Figure 2. Circuit Assembling

LEVEL 1

AC NON-CONTACT VOLTAGE DETECTOR

à¤Ã×èͧàªç¤ä¿ AC äÈÊÑÁ¼ÑÊ

CODE 946

NOTE: This circuit is used for education only.

ËÁÒÂà˵Ø: ǧ¨Ã¹Õéà»ç¹Ç§¨Ã·Õèãªéà¾×èÍ¡ÒÃÈÖ¡ÉÒà·èÒ¹Ñé¹

Figure 1. AC Non-Contact Voltage Detector Circuit

1

2

3

G

+9V

VR1

LED

A

K

++

++

FK946

T

red +

black -

POWER SOURCE 9V

9V

Electric Wire(AC line)

Not more than1 cm.

NOTE:

FUTURE BOX FB02 is suitable for this kit.

RESISTOR ELECTROLYTICCAPACITOR

TRANSISTOR

Watch the polarity!

LED

R .....Ω R

R

NPN

B

E

C

TRTR

KA

LEDKA

LED

LED

VR .....KΩ1

2

3

VR

VR

C

+

+

C .....µF

C

+

DIODED

K A

K

A

K

A

C .....µF

CC

CERAMICCAPACITOR

TRIMMERPOTENTIOMETER

Figure 3. Installing the Components