Force Sensor

Program the Microcontroller

/**

 * @file: Force sensor reading

 * @date: 4/5/2011

 *

 * @section DESCRIPTION

 * This code follows this tutorial

 * http://www.ladyada.net/learn/sensors/fsr.html

 * Modified by DF.

 *

 */

#define fsrPin 0 // analog pin 0

int fsrReading = 0; // the analog reading

//--- Function: setup()

void setup(void)

{

Serial.begin(9600);

}

//--- Function: loop()

void loop(void)

{

fsrReading = analogRead(fsrPin);

  Serial.print("Analog reading = ");

Serial.print(fsrReading); // the raw analog reading

//qualitatively determined thresholds: you might have to change those values!!!

if (fsrReading < 10)

  {

Serial.println(" - No pressure");

}

else if (fsrReading < 200)

  {

    Serial.println(" - Light touch");

}

else if (fsrReading < 500)

{

    Serial.println(" - Light squeeze");

}

else if (fsrReading < 800)

{

    Serial.println(" - Medium squeeze");

}

else

  {

    Serial.println(" - Big squeeze");

}

  delay(1000);

}