Arduino-lcd

ELEKTROONIKA, 10. jaanuar, skeemid

				
					// NR1 - LCD - Tekst ekraanil

#include <LiquidCrystal.h>

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

void setup() {
  lcd.begin(16, 2);
  lcd.print("Hello, world!");
}

void loop() {

}

				
					// NR2 - vilkumine, koodi täiendamine

void loop() {
  lcd.print("Hello, world!");
  delay(500);
  lcd.clear();
  delay(500);
}

				
					// NR3 - Scrolling

#include <LiquidCrystal.h>

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

void setup() {
  lcd.begin(16, 2);
    lcd.print("What's Up? How are you doing?");
}

void loop() {
  lcd.scrollDisplayLeft();
  delay(250);
}

				
					// NR4 - Temperatuuri andur

#include <LiquidCrystal.h>
    
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

void setup() {
  lcd.begin(16, 2);
}

void loop() {
  int reading = analogRead(A0);
 
  float voltage = reading * 5.0;
  voltage /= 1024.0; 
  
  float temperatureC = (voltage - 0.5) * 100; 
  
  lcd.setCursor(0,0);
  lcd.clear();
  lcd.print("degrees: ");
  lcd.print(temperatureC);
  lcd.print("C");
  
  delay(500);
}

				
					//NR5 - Temperatuuri ja niiskuse andur

#include <dht.h>
#include <LiquidCrystal.h>

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

dht DHT;

#define DHT11_PIN 7

void setup(){
  lcd.begin(16, 2);
}

void loop(){
  int chk = DHT.read11(DHT11_PIN);
  lcd.setCursor(0,0); 
  lcd.print("Temp: ");
  lcd.print(DHT.temperature);
  lcd.print((char)223);
  lcd.print("C");
  lcd.setCursor(0,1);
  lcd.print("Humidity: ");
  lcd.print(DHT.humidity);
  lcd.print("%");
  delay(1000);
}

				
					// NR6 - Valgusandur

#include <LiquidCrystal.h>
    
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

void setup() {
  lcd.begin(16, 2);
  Serial.begin(9600);
}

void loop() {
  int valgusS = analogRead(A0);
  int valgus= 1023-valgusS;
  
  lcd.setCursor(0,0);
  lcd.clear();
  lcd.print("Valgus: ");
  lcd.print(valgus);
  lcd.print("");
  Serial.println(valgus);
  
  delay(500);
}

				
					//NR7 - leegisensor

#include <LiquidCrystal.h>
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

int flamePin = 0 ;
#define buzzerPin 10

void setup() {
Serial.begin(9600);
lcd.begin(16, 2);

pinMode(buzzerPin,OUTPUT);
pinMode(flamePin,INPUT);

lcd.setCursor(0, 0);
Serial.begin(9600);
}

void loop() {

int Flame = analogRead(flamePin);

if (Flame>=500)
{
digitalWrite(buzzerPin,HIGH);
lcd.setCursor(0, 0);
lcd.print(" Flame : ");
lcd.print("Flame");
lcd.setCursor(0, 1);
lcd.print(" is Detected");
Serial.print(Flame);
Serial.print("\t");
Serial.print("Flame is Detected");
}
else
{
digitalWrite(buzzerPin,LOW);
lcd.setCursor(0, 0);
lcd.print("Flame : ");
lcd.print("No Flame");
Serial.print(Flame);
Serial.print("\t");
Serial.println("No Flame");
Serial.println(Flame);
}

delay(300);
lcd.clear();
}

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