pressure transducer code

transducer.ino

#include "Wire.h" //allows communication over i2c devices

const int sensorPin = A0;
float sensorVal = 0;
float p_max = 5000;
float p_min = 0;

float v_max = 5;
float v_min = 0;

float voltage;
float psiVal;

const int baudRate = 9600; //constant integer to set the baud rate for serial monitor
const int sensorreadDelay = 250; //constant integer to set the sensor read delay in milliseconds

void setup() //setup routine, runs once when system turned on or reset
{
  Serial.begin(baudRate); //initializes serial communication at set baud rate bits per second
  Serial.print('ok...');
}

void loop() //loop routine runs over and over again forever
{
  sensorVal = analogRead(sensorPin); // Read pressure sensor val (A0)
  voltage = sensorVal; // calculate voltage
  psiVal = ((voltage - 5.15E-16) / 0.1)/2.036;

  Serial.print(psiVal, 4); //prints value from previous line to serial
  Serial.print(" PSI -- "); //prints label to serial
  Serial.print(voltage, 4);
  Serial.println(" V"); //prints label to serial
  delay(sensorreadDelay); //delay in milliseconds between read values
}