connector - How to tell polarity expected of a DC barrel jack ...

connector - How to tell polarity expected of a DC barrel jack ...

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日期:2024-05-31
15 Jun 2012 ... I have a device that takes a DC barrel jack. I don't know ... I'm 99% sure it's a symbol to indicate the polarity, but which is it? Positive inside or .... DC Power supply Jack connector pinout....看更多