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DRIVER LINK: https://amzn.to/49ENi0j ???? THIS VIDEO IS SPONSORED BY: JLCPCB PCBA From $0 (Free Setup, free Stencil) Coupon Here : https://jlcpcb.com/cyt ???? TIKTOK VERSION: https://bit.ly/3GRVmNI Hi guys, today I bring you another very interesting object, it is a drill bit trimmer made with an old hard disk that no longer works. Powered by lithium batteries with a board that controls the charge and discharge status of the batteries. It allows you to sharpen metal tips, regenerate chipped screwdrivers and much more. Made with a few elements, but it is also possible to make it at zero cost if we have all the material recovered from other equipment that no longer works. ???????? FOLLOW ME ON SOCIAL MEDIA ???????????????????? TELEGRAM: https://bit.ly/2V9CWVY (for discount coupons) ???? TIKTOK: https://bit.ly/3KuaoeN ???? INSTAGRAM https://bit.ly/3kPlAon ???? FACEBOOK PAGE: https://goo.gl/s6Utqw 〰️〰️〰️〰️〰️〰️〰️〰️〰️〰️〰️〰️〰️〰️〰️〰️〰️〰️〰️〰️〰️ EQUIPMENT USED IN MY LAB ???? 10 Must-buy Banggood: https://bit.ly/3mP76Yz ???? My video shooting gear: https://amzn.to/34LvVM1 ???? My soldering gear: https://amzn.to/33RlBmB ???? My power tools: https://amzn.to/3711O6d 〰️〰️〰️〰️〰️〰️〰️〰️〰️〰️〰️〰️〰️〰️〰️〰️〰️〰️〰️〰️ CHAPTERS 00:00 - the Clone 01:32 - INTRO Daniele Tartaglia How to make 01:44 - Object presentation 02:17 - Video sponsor JLCPCB (Printed circuit board manufacturer) 02:48 - Disassembling the Hard Disk 03:22 - The driver for controlling the motor 04:32 - The construction of the aluminum feet 06:18 - Installing the electronic components 08:40 - Modifying the sanding disc 09:34 - The angle holder for the bits 10:31 - Test run 14:42 - Upgrade of the angle holder 15:14 - Final considerations and thanks 16:47 - Closing credits LINKS OF THE ITEMS USED FOR THE MINI GRINDER: ???? Lithium Battery Charger Protection Board: https://bit.ly/3GR69Yr ???? Lithium Battery 3.7v: https://bit.ly/3rFWGwG ???? Lithium Battery Charger :https://bit.ly/3rCQJkf ???? Slide Switches On-Off: https://bit.ly/3qLGU4e ???? Driver motor HDD: https://bit.ly/3KvaYZI ???? Battery Box Holder Case For 18650: https://bit.ly/3qPUAes Also watch the CHAPTERS OF THE SERIES - Dismantling and Recovery ???? First episode (The inkjet printer): https://bit.ly/3CReuZq ???? Second episode (The microwave): https://bit.ly/3FKAlUi ???? Third episode (The robot vacuum cleaner) https://bit.ly/3rnMEBZe ❓ Fourth episode - In progress :-) #grinder #harddisk #jlcpcb