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Measure Muscle Sounds! Part 1: Electronic Board

Step 6Prepare the board (microphone)

Prepare the board (microphone)
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  • mic_board.png
  • mic_paper.png
The red circle shows where the microphone should sit and indicates the polarity of the leads.

Before mounting the microphone, a piece of paper should be glued on the microphone side of the board to ensure that the grounded case of the microphone does not touch the line connecting its positive lead. Two holes should be made on the paper to allow the microphone leads to penetrate through the paper.

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Author:Operon