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Old 10-13-2021, 03:30 AM   #1
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Join Date: Sep 2021
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Default Was it burned?

I bought a pam8403 mini amplifier online. After I came back, I tried soldering on the wire and it was not bad. Powered by lithium-ion batteries. Then I disconnected one pole of the battery and threw it all night. It won't work the next day, what's the matter? ? Burned?
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1-4 Layer PCBs $2


amplifier, audio, battery

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