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How to turn an old FAN into a SHARPENING machine!! In this video tutorial of Easy electronics projects with MOTORS, experiments, homemade tools and much more!! we are going to make a homemade tool with an air conditioning fan motor but a fan motor will also work for us, in this case we are going to make a homemade grinder to sharpen the tools, the first thing we are going to do is identify the cables, in this case this motor has 4 cables, for this we are going to use the digital multimeter in ohm scale, after that we are going to test the motor, take all the precautionary measures before handling an electric motor, then we are going to mount the project on a base, since we did all that now we are going to install the stone, we are going to use several recycled pieces so that it fits perfectly to the motor, at the end of the video we are going to do some tests to see how it works, you also have an electrical diagram so that you can guide yourself easily, if you like the video do not forget to leave your like thanks.