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Step 4Connecting the speaker
I will assume that you now have a dismounted cellphone (PC boards exposed) and a green 3.5mm jack with 2 wires connected.
Solder the 2 wires from the plug on the speaker's PCB connections.
At this time, you can test this half-finished project by plugging in it in a PC. If you can listen phone-quality music by holding the speaker near your ear, it's good!
Solder the 2 wires from the plug on the speaker's PCB connections.
At this time, you can test this half-finished project by plugging in it in a PC. If you can listen phone-quality music by holding the speaker near your ear, it's good!
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