Short Introduction Of ERM Vibration Motors
ERM is the short name of eccentric rotating mass that means a small dc motor drives a small mass to generate vibration. It’s easy to insert to any tiny space to create vibration. These kind of tiny vibration motors are the cheapest solution of haptic feedback.
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Coin Vibration Motors
Top Applications Of Small Vibration Devices
Three kinds of coin types vibration motors are widely using in many wearable devices.