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Sound-Operated Switch for Lamps

Sound-Operated Switch for Lamps

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R1

10k

C2

100μ

25V

R2

4.7K

R5

2.7K

C5

0.1μ

T2

BC549C

T1

BC549C

C3

47P

R3

560K

R4

2.2K

C4

0.1μ

C7

2.2μ

25V

R10

22K

R8

120Ω

C6

0.01μ

T3

BC557

R7

100K

R6

1K

C8

1000μ

25V

ZD1

12V

0.5W

R11

1K

T4

BC547

R12

1K

D2

1N4148

T5

BC547

R13

1K

L1

60W

230V BULB

D1

1N4007

R14

10K, 5W

L

TRIAC1

BT136

MT2

MT1

G

N

230V

AC

R9

4.7K

C1

0.01μ

COND.

MIC

Sound-Operated Switch for Lamps

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publish time: 2020-09-22
Kiraaaa

This cheap, fully transistorized switch is very sensitive to sound signals and can turn on the light switch when clapping your hands within 1.5 meters. One of its interesting applications is the disco, where the lights can be turned on or off in sync with the music beat or clapping hands.

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