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How can I sync SMD LED Strips to music? Answered

Plz give me schematic how can i sync 12v SMD LED Strips to music using TIP 31 and PSU as a 12v DC Output.
I get the idea from here



If there is a possible substitute of TIP 31 plz suggest 

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adarshnarsaria
adarshnarsaria

7 years ago

Thanks a lot guys
is there is way to substitute the TIP 31 with anything else

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steveastrouk
steveastrouk

Answer 7 years ago

It really needs to be a "Darlington" transistor, but for the current you're passing, you can make one from two ordinary transistors, if you're really struggling.

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adarshnarsaria
adarshnarsaria

Answer 7 years ago

and how to do that?????

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steveastrouk
steveastrouk

Answer 7 years ago

http://en.wikipedia.org/wiki/Darlington_transistor

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rickharris
rickharris

7 years ago

See related column on the right as well.

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steveastrouk
steveastrouk

7 years ago

Change the 9V battery to 12V, and put a 100Ohm resistor in series too.

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iceng
iceng

Answer 7 years ago

+100, Ohm