DIY Hard Disk Drive as Knife, Drill Bits etc. Sharpening Grinder using 12V Power Adaptor.

Old Hard Disk converts into a powerful grinder with Zero cost it can grind all types of metal.
Used Items
1. Old Hdd with power cable
2. 7805 voltage regulator (For converting 12v dc to 5v dc)
3. Female power jack
4. 12v dc power supply
I found the parts in scrap if you want to buy this follow the link below
1. 7805 voltage regulator
www.amazon.in/Unique-India-78...
2. Female power jack
robu.in/product/dc-005-female...
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[@rajamoni1]

hello sir, R u catching the flight.!! going on running..
viswam

[@rajamoni1]

sir r playing game or explaining circuit diagram ??