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Step 5Connecting the microphone
I will assume that you now have a dismounted cellphone (PC boards exposed) and a pink 3.5mm jack with 2 wires connected.
Solder the 2 wires from the plug on the microphone's PCB connections, or directly on the mic.
At this time, you can test this almost-finished project by plugging in it in a PC. I used the free Test Call from Skype to test it. If you're able to talk and listen back, it's working.
Solder the 2 wires from the plug on the microphone's PCB connections, or directly on the mic.
At this time, you can test this almost-finished project by plugging in it in a PC. I used the free Test Call from Skype to test it. If you're able to talk and listen back, it's working.
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Mar 23, 2009. 5:26 PMdodo91
says:
heres an idea. you disconnect the previous connections of the mic and speaker. solder the plugs in. you need a webcam. just plug the mic in the mic jack, and the speaker in the headphone jack. now, you can have a webchat. youll look cool. talking on the phone. this is also cool for other stuff.
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Oct 13, 2008. 6:55 AMendolith
says:
This is an electret mic capsule. They really need a bias voltage to function correctly. Many sound cards with microphone inputs have three pins, one of which provides the bias supply. You then connect a resistor between the bias supply and the other pins. The supply and resistor might be internal though?
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