Knife Sharpening Machine, Grinder, Using old Hard Disk Drive

This video is a way to make a used hard disk into a grinding machine seated using a 12v adapter. Materials needed 1.hard disk used 3. LM7805 IC legulator 4.DC Jack Base 5. Adapter 12v dc 1A Watch my other Video's.. 🔴Potable air Freshner|Humidifier|Mist Maker|Ultrasonic    • How to make humidifier at home |Amazing id...   🔴Simple Voltage Regulator| Variable Power suply | Simple Adjustable Power Supply| Regulator Tutorial    • Variable Power supply |  LM317t adjustable...   🔴What to do with old laptop screen | false window light panel | Light photo frame | Reading lamp    • Amazing idea  with crack Laptop Screen | f...   🔴Knife Sharpening Machine, Grinder, Using old Hard Disk Drive    • Knife Sharpening Machine, Grinder, Using o...   🔴How to make Mobile phone Signal light sticker-Mobile Phone Radiation Power - LED EMF Detectors    • Free energy using mobile phone | Mobile Ph...   🔴How to Make VU meter, Easy & Simple Without IC LED Meter for Audio Amplifier    • How to Make VU meter, Easy & Simple  Witho...