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Mar 24,2021
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Polarity Tester

2 Layers PCB 30 x 50 mm FR-4, 1.6 mm, 1, HASL with lead, Blue Solder Mask, White silkscreen
Tests polarity of Wall Wart power supplies
1286
2
1
Published: Mar 24,2021
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Topic
Hardware
Misc
Power Supply
polarity tester wall wart
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  • This is a great idea. I often cant tell which way the line is going and have to refer to online every time as I forget the polarity. I do wonder if there could be be multiple barrels on the front end to test a wide range of plugs. Or is the barrel plug the one mostly opposite. Thank you a bunch

    May 29,20210 Comments
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