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Ball Speed Checker

Ball Speed Checker

7

3

6

2

1

8

IC2

NE555

5

4

DIS

a

b

c

d

e

f

g

7

6

4

2

1

9

10

COM

dp

15

5

2

4

IC3

74C926

16

1

12

9

3

11

13

17

10

8

7

6

14

18

a

b

c

d

e

f

g

LDR1

T1

BC558

R1

15K

R2

15K

LDR2

T2

BC548

R3

10K

R4

10K

R5

5K

VR1

10K

C1

0.1μ

C2

0.1μ

C3

0.01μ

S1

RST

R6

390Ω

R7

390Ω

R8

390Ω

R9

390Ω

T6

T5

T4

T3

GND

+5v

DIS4

DIS3

DIS2

DIS1

R10

1k

5

DIS1-DIS4 = LTS543 COMMON CATHODE 7-SEGMENT DISPLAY

S1 = PUSH TO SWITCH

T3 - T6 = BC547

2

3

6

1

8

IC1

NE555

5

4

GND

TH

T

Vcc

R

OUT

Ball Speed Checker

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0
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publish time: 2020-09-25
Circuit Everyday

This circuit measures the speed of the cricket ball according to the time it takes for the cricket ball to move, and the distance from the throwing cricket ball to the hitting crease.

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