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  1. Emad1

    circuit for pain relief

    Have anyone heared about a circuit that relieves pain ??? If there is a circuit like this pls tell me . THANX ALOT.
  2. Emad1

    Electronic Stethoscope 2

    There is no distortion but just a sound like air or shshshshshshsh. the components around U1 are not the same like the original nor the corrected circuit . I had a diffirent circuit for U1 that Ill post it after I drow it . many many thanx .
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