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add read temperature, humidity, & alkohol at microcontroller

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Muhammad Izza Alfiansyah 2024-04-26 15:24:33 +07:00
parent 03ce8a19c4
commit efee768233
1 changed files with 82 additions and 0 deletions
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microcontroller/sketch_apr22a/sketch_apr22a.ino Normal file
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#include <LiquidCrystal_I2C.h>
#include <MQUnifiedsensor.h>
#include <DHT.h>
#define BOARD "ESP-32"
#define MQPIN 36
#define DHTPIN 4
#define LAMPPIN 26
#define FANPIN 25
LiquidCrystal_I2C lcd(0x27, 16, 2);
DHT dht(DHTPIN, 22);
void setup(){
pinMode(MQPIN, INPUT);
pinMode(LAMPPIN, OUTPUT);
pinMode(FANPIN, OUTPUT);
digitalWrite(LAMPPIN, HIGH);
digitalWrite(FANPIN, HIGH);
Serial.begin(115200);
lcd.init();
lcd.backlight();
lcd.setCursor(0, 0);
lcd.print("Memuat....");
dht.begin();
delay(5000);
}
void loop(){
int kadarGas = analogRead(MQPIN);
int kadarGasPersen = map(kadarGas, 250, 1023, 0, 100);
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Kadar Gas : ");
lcd.setCursor(0,1);
lcd.print(String(kadarGas));
float suhu = dht.readTemperature();
delay(2000);
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Suhu : ");
lcd.setCursor(0, 1);
lcd.print(String(suhu) + " C");
if (suhu <= 30) {
digitalWrite(LAMPPIN, LOW);
} else {
digitalWrite(LAMPPIN, HIGH);
}
if (suhu >= 40) {
digitalWrite(FANPIN, LOW);
} else {
digitalWrite(FANPIN, HIGH);
}
float kelembaban = dht.readHumidity();
delay(2000);
lcd.clear();
lcd.setCursor(0, 0);
lcd.print("Kelembaban : ");
lcd.setCursor(0, 1);
lcd.print(String(kelembaban) + " %");
Serial.println("Kadar Gas : " + String(kadarGas));
Serial.println("Persen Kadar Gas : " + String(kadarGasPersen) + " %");
Serial.println("Suhu : " + String(suhu) + " C");
Serial.println("Kelembaban : " + String(kelembaban) + " %");
delay(2000);
lcd.clear();
}