NOTE: FUTURE BOX FB21 · future kit future kit high quality electronic kits high quality...
Transcript of NOTE: FUTURE BOX FB21 · future kit future kit high quality electronic kits high quality...
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FUTURE KIT
FUTURE KIT
HIGH QUALITY ELECTRONIC KITS
HIGH QUALITY ELECTRONIC KIT SET FOR HOBBY & EDUCATION
R
LEVEL 2
ä¿¡ÃоÃÔºàµ×͹ LED 20 ´Ç§
WARNING LIGHT FLASHER 20 LED
CODE 179
NO.1
Figure 2. Circuit Assembling
Figure 1. Warning light flasher 20 LED circuit
NOTE:FUTURE BOX FB21is suitable for this kit.
1
FK179
2
VR1 VR2
+
+
LED
K
A
LED
K
A
LED
K
A
LED
K
A
LED
K
A
LED
K
A
LED
K
A
LED
K
A
LED
K
ALED
K
ALED
K
A
LED
K
A
LED
K
A
LED
K
A
LED
K
A
LED
K
A
LED
K
ALED
K
A LED
K
A
LED
K
A
220VAC
1 2SW
AC IN220VAC
DANGERMains voltage
RESISTOR ELECTROLYTIC
CAPACITOR
TRANSISTORIC
TRIMMER
POTENTIOMETER
Figure 3. Installing the Components
Watch the position of the notch!
Watch the polarity!
LED
C
+
+
C .....µFR .....Ω R
R
TRTR
NPN
B
E
C
C
+
VR .....KΩ1
2
3
VR
VR
KA
LEDK
A
LED
LED
K
A
K
A
DK A
ZDK A
1
ICDIODE AND
ZENER DIODE