This article will help us to listen FM radio with a single headjack.
Now we see "inside the headset jack"
Mic:
Just short the MIC and GROUND terminal...
When shorted, It forms a circuit with low resistance...
Device understand that signals, something is connected.. Then it allows you to receive fm signals.
Before plugging the jack
After plugging the jack
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Now we see "inside the headset jack"
Parts:
Headset jack: use to send signals to speakers and Mic.
Speakers, Mic,...
Rheostat : to adjust volume
Button : to answer or drop the call
Or change the Song...
Some apps are use headset buttons as shortcuts... Eg. In UC browser, Page can be scrolled by volume up and down buttons.
3 pin headset (Without Mic)
In some headset the mic and ground terminal will interchange..
So the samsung headset will not work in nokia mobiles
When shorted, It forms a circuit with low resistance...
Device understand that signals, something is connected.. Then it allows you to receive fm signals.
