Nut sorter machine

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Hello friends in this video I tried to make a nut sorting machine, nuts and bolts are the essential part of any workshop but every now and then those tiny nuts of different size get assorted and its quite frustrating to sort them out this tiny machine will help you to sort them out it can sort M8, M6, M5, M4, M3 sizes this machine not have 100% accuracy

Component used :-

BO DC motor
DC motor speed control board
12mm wood
ON/OFF Switch
potentiometer
8mm shaft holder

https://youtu.be/8R0kYoGLE1c