Magnet Polarity Detector

So many shape and type of magnets, like neodymium magnets, ring magnets and anything. But sometimes we need to identify the polarity, and its not easy to identify it. So, in this instructables, i will show you some great idea, how to make Magnet Polarity Detector. And the best thing of this project is you can make a switch using this tools.”

Link

Related Content