Page 52 - ipst-basiclab

l ¤Áً Í× ¡Ò÷´ÅͧàºÍé× §µ¹Œ ¢Í§¡Å͋ §ÊÁͧ¡Å IPST-MicroBOX

·ÕèàÇÅÒ T1 +5V C1 ¢ÍŒ ÁÅÙ ÁÒÃÍ·èÕ "
01uF/50V
20 áµÅ‹ Ðà«¡àÁ¹µ LED ËÅ¡Ñ DISP1
+5V ·Òí §Ò¹áÊ´§àÅ¢ 2

ʧ‹ ¢ÍŒ ÁÅÙ ËÅ¡Ñ ·èÕ 1 K2 IC1 R1-R8 DISP1 DISP2 DISP3 DISP4
PORT 74HC541 Q1
300R
2 18 =
·µèÕ ÍŒ §¡ÒÃáÊ´§¼Å 1 3 A7 Y7 17 1 >
4 16
1 5 A6 Y6 15 1?
0 6 A5 Y5 14 0
7 A4 Y4 13 1 @
1 8 A3 Y3 12 A
9 A2 Y2 11
1 1 B
A1 Y1 0 C
0 A0 Y0

1 1 @F

2 = 0xDA 0 1 OE1 OE2 19 0

GND Q2 Q3 Q4
10
Rp1
K1 220k*8 +5V
PORT

segment(2451); 1 J1
DIGIT1
¤íÒÊÑè§ãˌáÊ´§µÑÇàÅ¢ 2451 ! ʧ‹ Ê­Ñ ­Ò³àÅÍ× ¡ËÅ¡Ñ
J2
·µèÕ ÍŒ §¡ÒÃáÊ´§¼Å DIGIT2

(¡) J3
DIGIT3

J4
DIGIT4

·ÕèàÇÅÒ T2 +5V C1 ¢ÍŒ ÁÅÙ ÁÒÃÍ·èÕ "
20 01uF/50V
LED ËÅ¡Ñ DISP2
áµÅ‹ Ðà«¡àÁ¹µ ·Òí §Ò¹áÊ´§àÅ¢ 4
+5V
IC1
K2 R1-R8 DISP1 DISP2 DISP3 DISP4
ʧ‹ ¢ÍŒ ÁÅÙ ËÅ¡Ñ ·èÕ 2 PORT 74HC541 300R Q1 Q2

0 2 A7 Y7 18 =
3 17 0>
·µèÕ ÍŒ §¡ÒÃáÊ´§¼Å 1 4 A6 Y6 16 1?
1 5 A5 Y5 15 1@
6 A4 Y4 14
0 7 A3 Y3 13 0 A
8 A2 Y2 12 0 B
0 9 11
A1 Y1
1 A0 Y0 1C

1 1 @F

4 = 0x66 0 1 OE1 OE2 19 0

GND Q3 Q4

Rp1 10
220k*8
K1 +5V
PORT

segment(2451); J1
DIGIT1
¤íÒÊÑè§ãˌáÊ´§µÑÇàÅ¢ 2451
J2
DIGIT2

1

! ʧ‹ Ê­Ñ ­Ò³àÅÍ× ¡ËÅ¡Ñ J3
·µèÕ ÍŒ §¡ÒÃáÊ´§¼Å DIGIT3

J4

(¢) DIGIT4

û٠·èÕ 4-4 áÊ´§¡Ãкǹ¡Ò÷Òí §Ò¹¢Í§¡ÒÃáÊ´§¼Å LED µÇÑ àÅ¢ 7 ÊNj ¹ 4 ËÅ¡Ñ áººÁÅÑ µàÔ ¾Å¡ç «
ÊÑ­­Ò³¢ŒÍÁÙŨÐÁҨҡἧǧ¨Ã¤Çº¤ØÁËÅÑ¡ MicroBOX ¼‹Ò¹·Ò§¨Ø´µ‹Í PORT áÅÐÊÒÂÊÑ­­Ò³
¤Çº¤ÁØ ËÅ¡Ñ ¢Í§ LED ¨ÐµÍ‹ à¢ÒŒ ¡ºÑ ¨´Ø µÍ‹ DIGIT ¢Í§á¼§Ç§¨Ã DSP-4 (ÁµÕ ͋ )