Kelembaban Tanaman

KELEMBABAN TANAMAN w/esp8266, & Soil Moisture Sensor

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Coding : 

//Soil Moisture Sensor - Model 3B

// Bahasa Indonesia

#include <Wire.h>

#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);

const int sensorPin = A0;

const int wetThreshold = 350;

const int dryThreshold = 600;

int sensorValue = 0;

int percentage = 0;

const int sensorpower = D5;

void setup() {

  Serial.begin(9600);

  

    pinMode(sensorpower,OUTPUT);

    

  lcd.init();

  lcd.backlight();

  lcd.setCursor(0, 0);

  lcd.print("Pengukur Kelembaban Tanah");

}

void loop() {

    digitalWrite(sensorpower,HIGH);

    

    

  sensorValue = analogRead(sensorPin);

  Serial.println(sensorValue);

  

  percentage = map(sensorValue/1.7, wetThreshold, dryThreshold, 100, 0);

  

  lcd.setCursor(0, 1);

  lcd.print("Kelembaban: ");

  lcd.print(percentage);

  lcd.print("%    ");

  

  if (percentage < 20) {

    lcd.setCursor(0, 0);

    lcd.print("Sirami tanaman!        ");

  } else if (percentage < 30) {

    lcd.setCursor(0, 0);

    lcd.print("Agak kering.         ");

  } else {

    lcd.setCursor(0, 0);

    lcd.print("Tanah Baik         ");

  }

  

  delay(1000);

}