8/10/2019 Clap controlled Switcher

1/1132 elektor electronics - 7-8/2007

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F A T

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s tat us = M m c _ R ea d _ S ec to r(number, buffer) status

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number -

buffer

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(070318-I)

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s tatus = Mmc _ Write _ Sec tor(number, buffer) status

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number

buffer

Clap Controlled SwitcherRaj. K. Gorkhali

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LM555C

IC1DIS

THR

OUTTR

CV

2

7

6

4

R

3

5

8

1

74LS90R0(1)

R0(2)

R9(1)

R9(2)

IC214

11

12QA

QB

QC

QD

10

1

6

7

8

9

2

3

B

A

5

C3

10n

C1

100n

C2

100n

C4

10n

R8

1 0 k

R7

3 k 3

R6

1 0 0 k

R5

1 0 k

R1

1k

T5

BC547

T1

BC547

RE1D1

1N4148

+5V

+5V

R2

1k

T2

BC547

RE2D2

1N4148

+5V

R3

1k

T3

BC547

RE3D3

1N4148

+5V

R4

1k

T4

BC547

RE4D4

1N4148

+5V

MIC1

070092 - 11