The write up was interesting. but what really got my attention was the information on how these DC motors work from the harddrives.
https://www.instructables.com/id/Hard-Disk-Sander/
https://en.wikipedia.org/wiki/Brushless_DC_electric_motor
The write up was interesting. but what really got my attention was the information on how these DC motors work from the harddrives.
https://www.instructables.com/id/Hard-Disk-Sander/
https://en.wikipedia.org/wiki/Brushless_DC_electric_motor