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11th February 2008, 03:46 AM
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New Member
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LM386 mic help, PLEASE
i finally got the leds to pulse to music using a lm386 chip. pin 2 & 3 are the audio input, i can make it work by taping it into my psp's headphone jack, but for audio input, i want to use a mic, instead of speaker, how can i get signal from mic to go into audio in - +? i been trying all sorts of transistors mics ect, but cant seem to find articles online, thanks
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ps3 mushroom187 
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11th February 2008, 06:10 PM
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anyone? know
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ps3 mushroom187
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11th February 2008, 07:00 PM
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Experienced Member
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If you connect a 10uF capacitor beween pin 1 and pin 8 then its voltage gain is increased to 200. Then you can bias an electret mic as its input.
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