[AudioI] Zero sound card inputs

[Matt]

Right,

Do you want to panel mount a TRRS jack instead ? You can take TRS from 
the phones header and you can take the microphone R from the + pin on 
the mic. connector.

I actually think this concept you have is a great use case and it would 
be good for us to change the layout in future versions to accommodate a 
TRRS footprint. The only issue there is that no everyone wants to use 
the same TRRS connector !

Matt

On 18/11/20 8:40 pm, Michael Karliner via People wrote:
> Matt,
>
>     I beg your pardon, I probably wasn't clear.
>     I understand that there is an electret mic footprint
>     on the board. What I wanted to know was if there
>     is a trace from that footprint that connects to the mic
>     ring on the TRRS jack.
>     It sounds like the answer is no, which is a pity, because
>     my use case needs a standard phone headset with
>     headphone + mic.
>
>     Mike
>
>
> On 11/17/20 10:21 PM, Matt via People wrote:
>> Hi Mike,
>>
>> The electret microphone has its own footprint on the board. Look at 
>> the foreground image here :
>> https://shop.audioinjector.net/detail/Sound_Cards/Zero+Form+Factor+Sound+Card 
>>
>>
>> The "mic" footprint is the electret microphone connector. The 
>> signal+power pin goes into the "+" hole. The GND pin goes into the 
>> white silk screen backgroud hole.
>>
>> Matt
>>
>> On 18/11/20 3:30 am, Michael Karliner via People wrote:
>>> Hi,
>>>
>>>     The description of the Zero sound card says
>>>     that it is ready for an electret mic.
>>>     However, the 3.5mm jack on the board
>>>     appears to be a TRRS.
>>>     Is it possible to just plug in a regular phone headset?
>>>
>>>     TIA
>>>     Mike
>>>
>
>
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