The Vibro Motor 2 Click Board™ features a compact size Eccentric Rotating Mass (ERM) motor, labelled as Z4FC1B1301781 as well as DMG3420U MOSFET to drive the ERM motor since the MCU itself cannot provide enough power for the motor driving. This type of motor is often used for haptic feedback on many small handheld devices, such as cellphones, pagers, RFID scanners and similar devices. This motor contains a small eccentric weight on its rotor, so while rotating it also produces a vibration effect. This kind of motor is sometimes referred to as a coin motor, due to its shape.
Besides the vibration motor, the click is also equipped with the DMG3420U, a small MOSFET, which is used to drive the motor. The Vibro Motor 2 Click Board™ is an ideal solution for adding simple, one pin-driven haptic feedback to any design.