ARLA/CLUSTER: Será que a polaridade do cabo de energia que vai ligar ao seu radio está correcta.? Video ensina a construir um testador de polaridade simples

[João Costa > CT1FBF]

Powerpole Polarity Tester

In this video *Randy Hall K7AGE* shows you how to build a simple red/green
LED Powerpole polarity tester. Along with a bit of Ohm's law

Watch How To Build A Powerpole Polarity Tester
https://youtu.be/BnIsiaZ0O1A

How to solder Powerpole connectors
http://www.southgatearc.org/news/2016/august/how-to-solder-powerpole-connectors.htm

Installing Powerpole Connectors
http://www.southgatearc.org/news/2017/january/installing-powerpole-connectors.htm
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