The switches are not clearly labeled on both the piezo and the MEMS board. The switch labels should also include what the switch does, and which position of the switch is for what purpose. It should be a word like 'on' and 'off', 'mixer' and 'headphone' or 'mic'.
The switches are not clearly labeled on both the piezo and the MEMS board. The switch labels should also include what the switch does, and which position of the switch is for what purpose. It should be a word like 'on' and 'off', 'mixer' and 'headphone' or 'mic'.