Smart Faraming

 

#include <Wire.h>

#include <LiquidCrystal_I2C.h>

// Inisialisasi LCD I2C

LiquidCrystal_I2C lcd(0x27, 16, 2);

// Pin Soil Moisture

const int soilPin = A0;

int nilaiSensor;

int kelembapan;

// Kalibrasi sensor

const int nilaiKering = 800;

const int nilaiBasah = 300;

void setup() {

  Serial.begin(9600);

  // Memulai LCD

  lcd.init();

  lcd.backlight();

  lcd.setCursor(0, 0);

  lcd.print("SMART FARMING");

  lcd.setCursor(0, 1);

  lcd.print("SMKN 2 SRAGEN");

  delay(2000);

  lcd.clear();

}

void loop() {

  // Membaca sensor

  nilaiSensor = analogRead(soilPin);

  // Menghitung kelembapan

  kelembapan = map(

    nilaiSensor,

    nilaiKering,

    nilaiBasah,

    0,

    100

  );

  kelembapan = constrain(kelembapan, 0, 100);

  // Tampilan baris pertama

  lcd.setCursor(0, 0);

  lcd.print("Kelembapan: ");

  lcd.print(kelembapan);

  lcd.print("% ");

  // Tampilan baris kedua

  lcd.setCursor(0, 1);

  if (kelembapan < 35) {

    lcd.print("Status: KERING ");

  }

  else if (kelembapan < 70) {

    lcd.print("Status: NORMAL ");

  }

  else {

    lcd.print("Status: BASAH  ");

  }

  // Serial Monitor

  Serial.print("Sensor: ");

  Serial.print(nilaiSensor);

  Serial.print(" | Kelembapan: ");

  Serial.print(kelembapan);

  Serial.println("%");

  delay(1000);

}

Update dengan penambahan 2 LED

#include <Wire.h> #include <LiquidCrystal_I2C.h> // Inisialisasi LCD I2C LiquidCrystal_I2C lcd(0x27, 16, 2); // Pin Soil Moisture & LED const int soilPin = A0; const int ledKering = 6; // LED D6 (Indikator Kering) const int ledBasah = 7; // LED D7 (Indikator Basah) int nilaiSensor; int kelembapan; // Kalibrasi sensor const int nilaiKering = 800; const int nilaiBasah = 300; void setup() { Serial.begin(9600); // Konfigurasi pin LED sebagai Output pinMode(ledKering, OUTPUT); pinMode(ledBasah, OUTPUT); // Memulai LCD lcd.init(); lcd.backlight(); lcd.setCursor(0, 0); lcd.print("SMART FARMING"); lcd.setCursor(0, 1); lcd.print("SMKN 2 SRAGEN"); delay(2000); lcd.clear(); } void loop() { // Membaca sensor nilaiSensor = analogRead(soilPin); // Menghitung kelembapan kelembapan = map( nilaiSensor, nilaiKering, nilaiBasah, 0, 100 ); kelembapan = constrain(kelembapan, 0, 100); // Tampilan baris pertama lcd.setCursor(0, 0); lcd.print("Kelembapan: "); lcd.print(kelembapan); lcd.print("% "); // Tampilan baris kedua & Logika LED lcd.setCursor(0, 1); if (kelembapan < 35) { lcd.print("Status: KERING "); digitalWrite(ledKering, HIGH); // LED D6 Menyala digitalWrite(ledBasah, LOW); // LED D7 Mati } else if (kelembapan < 70) { lcd.print("Status: NORMAL "); digitalWrite(ledKering, LOW); // LED D6 Mati digitalWrite(ledBasah, LOW); // LED D7 Mati } else { lcd.print("Status: BASAH "); digitalWrite(ledKering, LOW); // LED D6 Mati digitalWrite(ledBasah, HIGH); // LED D7 Menyala } // Serial Monitor Serial.print("Sensor: "); Serial.print(nilaiSensor); Serial.print(" | Kelembapan: "); Serial.print(kelembapan); Serial.println("%"); delay(1000); }