As long as the motor runs at a high variety of turnings each minute, the constant variation of the pressure generates a perceivable side vibration. Compatible with R3/Mega2560 and particularly suitable for DIY projects. Specification: Item Type:Vibration Module Rated Voltage: 5.0VDC Working Voltage: DC 3.0... Using high quality 1027 mobile phone vibration motor, the vibration effect is obvious. 10pcs DC3-5V Micro DC Vibration Motor 0820/0827/0830 Arduino Vibration Module TZT 1/3PCS 5V Vibrating Vibration Motor Module High And Low Level Vibration Mini Motor Module For Arduino - 502 9000 RPM Motor For Arduino Suitable for the production of vibration-sensitive interactive products, wearable smart device vibration reminders, etc. VIBRATION MOTOR MODULE 5VDC 35mA This module can easily convert electrical to mechanical vibration., Powerful vibration strength. MOS amplification drive, can be directly controlled by the digital port of can control the vibration strength of the motor through PWM.