#include <SoftwareSerial.h>
#define rxPin 1
#define txPin 2


SoftwareSerial serial(rxPin, txPin);

int pin_L_sensor = 3;

int value_L_sensor = 0;

void setup() {
  
pinMode(rxPin, INPUT);
pinMode(txPin, OUTPUT);
pinMode(pin_L_sensor, INPUT);
serial.begin(9600);

}

void loop(){

value_L_sensor = analogRead(pin_L_sensor); //read the stretch sensor

serial.print("the stretch sensor says: ");
serial.println(value_L_sensor);

delay(1000);
}