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UV_SENSOR.ino
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UV_SENSOR.ino
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#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <SPI.h>
#define UV_SENSOR A0
#define BUZZER 3
// Creez obiectul ecran de 16 caractere pe 2 linii la adresa 0x27
LiquidCrystal_I2C lcd(0x27, 16, 2);
// Declar variabilele utilizate
float uv_init = 0;
float uv_transf =0;
void setup()
{
// Initializare buzzer
pinMode(BUZZER, OUTPUT);
// Pornire LCD
lcd.init();
tone(BUZZER, 1000, 1500);
// Afisare informatii ecran.
lcd.backlight();
lcd.setCursor(2,0);
lcd.print("Cel mai tare");
lcd.setCursor(3,1);
lcd.print("proiect AD");
delay(3000);
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Madalina");
lcd.setCursor(9, 1);
lcd.print("Zanficu");
delay(3500);
lcd.clear();
lcd.setCursor(5, 0);
lcd.print("Senzor");
lcd.setCursor(7, 1);
lcd.print("UV");
delay(3000);
}
void loop()
{
// Citesc valoarea UV
uv_init = analogRead(UV_SENSOR);
uv_transf = uv_init / 100;
// Scriu pe ecran
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Nivel UV: ");
lcd.setCursor(10, 0);
lcd.print(uv_transf);
if (uv_transf <= 2) {
noTone(BUZZER);
lcd.setCursor(6, 1);
lcd.print("MIC");
}
if (uv_transf >= 3 && uv_transf <= 5) {
noTone(BUZZER);
lcd.setCursor(6, 1);
lcd.print("MEDIU");
}
if (uv_transf >= 6 && uv_transf <= 7) {
noTone(BUZZER);
lcd.setCursor(6, 1);
lcd.print("MARE");
}
if (uv_transf >= 8 && uv_transf <= 10) {
noTone(BUZZER);
lcd.setCursor(2, 1);
lcd.print("FOARTE MARE");
}
if (uv_transf >= 11) {
tone(BUZZER, 2000);
lcd.setCursor(6, 1);
lcd.print("EXTREM");
}
delay(1000);
}