figure 1. the digital counter 2 digit circuit figure 2 ... · digital counter 2 digit...
TRANSCRIPT
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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