Simple Inexpensive DIY Magnetic Polarity Tester

July 4, 2018 |

Magnetic Tester Hall Effect Sensor DIY battery powered Magnet Pole Tester. Detect the North and South Poles of a magnet. I lost the AMY6 Magnet Tester I purchased on Amazon so I decided to just build one. A circuit diagram is in the video.   If you don’t want to build your own Magnet Polarity…

Read More