What is this tiny rotating piece of hardware that I found inside my Samsung GE1202? It has E9C written in blue on it.
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These types of motor configurations are used in the cellphone's vibrate/buzzer function. Here is a Youtube video demonstrating the vibrate function and two other references:
- How it works:Cell phone vibration motor?
- iPhone 5 / 5S Vibrator Motor Replacement
- Vibration Motors by Precision Microdrives
Click on image for a larger version of the image.
These are called Eccentric Rotating Mass (ERM) vibration motors. This type of motor technology is also used in haptic feedback technology.
References:
answered Jul 21, 2015 at 10:08
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That is a micro vibrating motor to produce the "buzz" effect from your phone. I used much much larger vibrating motors, air driven, on the bottom of my Class 7 dump truck. Mounted under the bed, they would vibrate the bed, loosening the material so it would flow out cleanly.
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2$\begingroup$ +1 for the dump truck vibrator - I'd never seen them before $\endgroup$ Jul 23, 2015 at 11:58