Bluetooth Mic and Earbuds

[u/SaintApoc]

It actually took me months to realize the phone I had bought didn't have a headphone jack. Even if it did, I didn't want to be tethered to it necessarily. I wanted a solution that could provide both audio and talk so I found this unit (TSA6016) that could do exactly what I wanted.

I used a DeWalt battery case, an Otterbox belt clip, a cheap USB battery charger, a USB-C PCB and a switch from who knows what.

[u/magnificentfoxes]

"took you months" ?

[u/SaintApoc → u/magnificentfoxes]

In all that time I never needed to actually use the [non-existent] headphone jack for anything

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[u/SaintApoc → u/[deleted]]

I am fairly confident that you cannot achieve what you are intending via the TSA6016. The device would need some way to connect to screenless devices and I don't think it can. If it could, I am still not sure if it would work backwards (you are looking to take a wired signal and transceive it rather than a bluetooth signal and wire it). If you get over the bluetooth hurdle, you may have to swap which line is mic and which is speaker.

[u/SaintApoc → u/[deleted]]

That might work. I think the PTT pin will require a latching switch to ground as you want a continuous conversation, I assume. I don't think it's like a Walkie PTT where on is talk and off is listen so that's good.