An adaptor that connects to the audio input of any smartphone. This adaptor has a microphone and a button, allowing the user to connect any headphones (your personal, expensive fancy ones) and at the same time have the feature of pausing/playing the music and answering phone calls with the button and talking on the phone with the mic.
This project is also useful if you connect your phone to your car's audio AUX input while driving.
This adaptor costs less than 2$ to make.
for more information check depotbassam's blog































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I didn't think to put a mic on my cable, defiantly going to be in the next revision I think.
Great format for your Instructable too. Very clear and accurate, interesting and great music too!
Combining your instructable to mine we would have an ideal Headphone setup with track skipping and microphone! :)
the connector you can find it in radioshak or at any local electronics store.
It is GND and it means ground