const int uvSensorPin = A0; // Analog pin connected to the sensor
const int uvPowerPin = 2;   // Digital pin connected to power the sensor
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {
  lcd.init();
  lcd.backlight();
  Serial.begin(9600);
  pinMode(uvPowerPin, OUTPUT);
  digitalWrite(uvPowerPin, HIGH); // Power up the sensor

}

void loop() {
  int uvValue = analogRead(uvSensorPin);
  float uvIntensity = mapFloat(uvValue, 0, 1023, 0, 15); // Convert analog reading to UV intensity (mW/cm^2)

  Serial.print("UV Intensity: ");
  Serial.print(uvIntensity);
  Serial.println(" mW/cm^2");
  lcd.setCursor(0, 0);
  lcd.print("UV Intensity:");
  lcd.setCursor(0, 1);
  lcd.print(uvIntensity);
  lcd.print(" mw/cm^2");
  delay(1000); // Delay for stability
  lcd.clear();
}

// Function to map floats similar to the map function for integers
float mapFloat(float x, float in_min, float in_max, float out_min, float out_max) {
  return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
}