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Programmable Electronic Dice

Programmable Electronic Dice

16

7

2

9

IC2

74LS191

14

1

8

6

3

15

A

Vcc

T

B

GND

10

5

4

11

S

QD

QC

QB

QA

C

D

J/D

CE

12

3

9

14

14

IC3

7447

11

10

2

15

7

16

Vcc

LT

D

GND

C

B

A

6

1

7

a

b

c

d

e

f

g

13

A

B

C

D

7

6

4

2

1

9

10

3,8

N2

9

8

10

12

13

R4

R5

R6

R7

N1

5

6

4

2

1

14

DIP-1

4 WAY

DIP SWITCH

R4-R7 = 4.7K

DIS-1

LTS542

COMMON ANODE

DISPLAY

R8

220Ω

+5V

R3

4.7K

S1

ON/OFF

SWITCH

R2

100Ω

C1

0.1μ

R1

1K

GND

IC1 (N1 - N2 ) = 74LS13

Programmable Electronic Dice

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publish time: 2020-09-25
Circuit Everyday

This is a simple electronic dice with a digital display. Use 4-way DIP switch to program to display '1' and '2', '1' and '3', '...' or '1' and '9'

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