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Tachometer

Tachometer

7

8

3

6

2

1

5

4

IC1

555

2

14

1

7

N2

4

3

N3

N1

1

2

3

7

14

10

2

9

6

IC6

CD4033

12

13

15

1

8

11

7

14

R

16

CO

10

16

9

6

IC5

CD4033

12

13

5

14

8

11

7

15

2

R

1

7

6

4

1

1

9

10

3,8

7

6

4

1

1

9

10

3,8

4

2

1

3

+

S2

PUSH

TO ON

SWITCH

BATT.

9V

R7

220K

S1

ON/OFF

SWITCH

R1

8.2K

VR1

4.7K

POT

R2

220Ω

IC2

7811

R3

1K

IC3(N1) = CD4081

DIS-1

LTS543

R5

R6

(TENS)

R5, R6 = 470 Ω

IC4 (N2-N3) = CD4069

LED1

R4

1K

C2

0.01μ

C1

100μ

25V

DIS-2

LTS543

(UNITS)

Tachometer

1
0
0
publish time: 2020-09-25
Circuit Everyday

A tachometer is an instrument used to measure the speed of a motor or its shaft. The following tachometer is the basic version, which displays the RPM per revolution (RPS) on the digital display.

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