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Topic: Sound In Tom Igoe's schematic helps (Read 1 time) previous topic - next topic



well i've found a shematic to have sound in (level) in a BX24, it was looking quite easy to do....( it was a trap)

i've tried to build the circuit but i've got some prob

- i don't find a LM386 but a LM386-3 (datasheet)
- i give a +5V from the arduino (i've tested to with a separate power circuit)
- my value from the adcpin (in the shematic) never change (i've shout in the mic ::) ) alway ~2,5v
i've tried to modified the pot... nothing better.

in fact i'm not an "electronicien"... if i use a LM386-3 and not a LM386.. is it important  :-/
what i have to modify...

best regards


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