r future kit digital counter 4 digit figure 1. the digital ......4 c9012 2 1 c458 5 0.01 0.01 0.1...
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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 3
DIGITAL COUNTER 4 DIGIT
à¤Ã×èͧ¹Ñº¨Ó¹Ç¹¢Öé¹-ŧ 4 ËÅÑ¡ µÑ駤‡Ò¹Ñºä´ˆ
CODE 936
Figure 1. The Digital Counter 4 Digit Circuit
NOTE:
FUTURE BOX FB04
are suitable for this kit.
µFµF
µF
µF
µF
Connection for add the board.
carry
OUT12V
+
-
CK/IN
IN 12V
+
-
out
Board 2 Board 1
preset counting and restart counting automatically
¹ÑºµÒÁ¨Ó¹Ç¹·ÕèµÑé§àÍÒäÇé áÅéÇàÃÔèÁ¹ÑºãËÁèâ´ÂÍѵâ¹ÁѵÔ
normal counting¹Ñº»¡µÔ
J1 is used for setting the counting format.
J1 ÁÕäÇéÊÓËÃѺµÑé§ÃٻẺ¡ÒùѺ
J2 is used for setting count up or count down.
J2 ÁÕäÇéÊÓËÃѺµÑ駡ÒùѺ¢Öé¹ËÃ×͹Ѻŧcount up
¹Ñº¢Öé¹count down
¹ÑºÅ§
10K
10K
1KJ
10K
C9012
3
C9012
4
C9012
1
C9012
2
C458
5
0.01
0.01
0.1
7805
4148
4148 40
01
LED
A
K
+47µF+ 10
µF
ATTINY2313
SW1 SW2 SW3 SW4 SW5 SW6
out
carry
OUT12V
+
-
CK/IN
IN 12V
+
-
FK936
1K 1K1K
10K
1K
1K
1KJ
300
300
300
300
300
300
1K 1K
2K
3K
J J 1K 1K 1K 1K
300
300 +
COUNT SIGNAL
POWERSUPPLY
12V
Figure 3. Installing the ComponentsRESISTOR
ELECTROLYTICCAPACITOR
Watch the polarity!
LEDTRANSISTOR
KA
KA
LED
LED
LED
C
+
+
C .....µFR .....Ω R
R
TRTR
C
+
PNP
BE
CNPN
B
E
C