Manometer with LCD Display

//#include <ESP32Servo.h>

//#include <dummy.h>

#include <LiquidCrystal.h>

int Contrast=30;

LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

int rawValue;

int offset = 40;

int fullScale = 922;

float pressure;

void setup() {

// put your setup code here, to run once:

analogWrite(6,Contrast);

lcd.begin(16,2);

Serial.begin(9600);

}

void loop() {

// put your main code here, to run repeatedly:

rawValue = analogRead(A0);

Serial.print(“Raw A/D is”);

Serial.print(rawValue);

lcd.setCursor(0,0); // Sets the cursor to col 0 and row 0

lcd.print(“Raw: “); // Prints Sensor Val: to LCD

lcd.print(rawValue); // Prints value on Potpin1 to LCD

pressure = (rawValue – offset) * 500.0 / (fullScale – offset); // pressure conversion

Serial.print(“The pressure is “);

Serial.print(pressure, 1); // one decimal place

Serial.println(“kPa”);

lcd.setCursor(0,1); // Sets the cursor to col 1 and row 0

lcd.print(“Pres(KPa): “); // Prints Sensor Val: to LCD

lcd.print(pressure); // Prints value on Potpin1 to LCD

delay(500);

}