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Lab 6: Tennis Ball Vibrator

justinwang's picture
Wed, 10/12/2011 - 04:45 — justinwang

 

/*
 * FSR controls motor
 * modified version of AnalogInput
 * by DojoDave <http://www.0j0.org>
 * http://www.arduino.cc/en/Tutorial/AnalogInput
 * Modified again by dave
 * Modified again by Justin
 */
 
int potPin = 0;   // select the input pin for the potentiometer
int motorPin = 9; // select the pin for the Motor
int val = 0;      // variable to store the value coming from the sensor
int mappedVal = 0;
 
void setup() {
  Serial.begin(9600);
}
void loop() {
  val = analogRead(potPin);    // read the value from the sensor, between 0 - 1024
  Serial.println(val);
  mappedVal = val/2;
  if (mappedVal>255) { // guard against mappedVal exceeding maximum analogWrite
    mappedVal = 255;
  }
  analogWrite(motorPin, mappedVal); // analogWrite can be between 0-255
}
lab6.JPG
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