Hello, I need help. I would like to make a device that converts sound from a microphone into vibrations into a small engine (something like an oscilloscope). Would someone please advise me how to make this, or would someone create a diagram for me.
Microphone converts vibrations into small current.
Playing it on sound speaker converts current into vibrations.
Vibrations into engine? Are you talking about mechanical engine?
No, I'm talking about this GM electronic | elektronické součástky, komponenty
HI,
Welcome to the forum.
@petchree vibration motor;
Can you please tell us your electronics, programming, arduino, hardware experience?
How do you want the sound to control the motor?
It causes vibration by rotating the shaft of the motor.
Tom... 
A small vibration motor is nothing like an oscilloscope! Not sure what you want to do
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