This example is for Wiring version 0024+. If you have a previous version, use the examples included with your software. If you see any errors or have comments, please let us know.
Driving a DC cell phone vibrating motor. by Diana Fernandez
Demonstrates the use of a vibrating DC motor (cell phone motor).
int motorpin = 0; // Vibrating motor connected to pin PWM 0
void setup()
{
// nothing for setup
}
void loop() {
analogWrite(motorpin, 125); // turn ON the Motor at medium speed
delay(100);
}