The file that is currently on an Arduino Uno with a serial number of 6493633313735181C1A2

drumsiwthvibrationsensor.ino

/*
Code created for reading shake switch sensor and turning on led based on threshold
 This sensor has a default digital read 
 */
const int numReadings = 3;
int readings[numReadings];      // the readings from the analog input
int index = 0;                  // the index of the current reading
int total = 0;                  // the running total
int average = 0;                // the average

int upperReading=1010;  // sensor reading from testing sensor. get from serial read that is commented out. 


int buttonPin=7;    // reading either on or off set with threshold on potentiometer 

// Variables will change:
int ledState = LOW;             // ledState used to set the LED


// the follow variables is a long because the time, measured in miliseconds,
// will quickly become a bigger number than can be stored in an int.
long interval = 30;           // interval at which to blink (milliseconds)


int Thresholdstate = 0;         // current state of the button




int sensorPin = A0;    // select the input pin for the potentiometer
int ledPin = 13;      // select the pin for the LED
int sensorValue = 0;  // variable to store the value coming from the sensor
int val=0;
void setup() 
{
 // Serial.begin(9600);

  // declare the ledPin as an OUTPUT:
  pinMode(ledPin, OUTPUT);  
  pinMode(buttonPin, INPUT);

  // initialize all the readings to 0: 
  for (int thisReading = 0; thisReading < numReadings; thisReading++)
    readings[thisReading] = 0; 



}

void loop() {

  // read the pushbutton input pin:
  Thresholdstate = digitalRead(buttonPin);



  // read the value from the sensor:

  //the higher the vibration the lover the sensor value  
  //Readings high 1010 reading low 600



  // subtract the last reading:
  total= total - readings[index];         
  // read from the sensor:  
  readings[index] = analogRead(sensorPin); 
  // add the reading to the total:
  total= total + readings[index];       
  // advance to the next position in the array:  
  index = index + 1;                    

  // if we're at the end of the array...
  if (index >= numReadings)              
    // ...wrap around to the beginning: 
    index = 0;                           

  // calculate the average:
  average = total / numReadings;         
  // send it to the computer as ASCII digits
  // Serial.println(average);   



//map(value, fromLow, fromHigh, toLow, toHigh)

  

  val = map(average, upperReading, 700, 0, 255);

  // turn the ledPin on the higher the vibration the lower the average. 
  //digital 0 is when is over threshold set by potentiometer on sensor



  while( Thresholdstate == LOW  ){  // buttoState=LOW means tha reading is above the threshold so activate led by analogWrite

    analogWrite(ledPin,val);

    //Serial.println("Val"); // for testing
    //Serial.println(val); 

    Thresholdstate = digitalRead(buttonPin);

  }





  digitalWrite(ledPin,LOW);// Turn led LOW, turn it off. 

 Thresholdstate = digitalRead(buttonPin);// read 



}