Hello friends, this is very cool idea to make grinding machine using old faulty hard disk. This is very easy to make, just follow all the step and make your own grinding machine.
Parts:
1) Old Faulty hard disk
2) Brushless motor driver
3) Dc Socket : https://roboman.in/xezf
4) SPST Switch : https://roboman.in/74he
5) Sanding Paper
harddisk
amazingideas
easytech
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