//CODING REALTIME SMART FARMING MONITORING SYSTEM
//HEADER----------------------
#include <WiFi.h>
#include <PubSubClient.h>
#include <Wire.h>
#include "LiquidCrystal_I2C.h"
#include "DHT.h"
#include <ESP32Servo.h>
#include <RTClib.h>
RTC_DS1307 rtc;
//-------------------------------
//DEFINISI VARIABEL --------------------
#define relayPin 18
#define ldrPin 35
#define DHT_PIN 15
#define DHTTYPE DHT22
#define LED_PIN 33
DHT dht(DHT_PIN, DHT22);
LiquidCrystal_I2C lcd(0x27,20,4);
LiquidCrystal_I2C lcd2(0x27,20,4);
// SENSOR FC28 MENGGUNAKAN POTENSIOMETER
#include "FC28.h"
#define SensorFC28_Pin 34
float soil_moisture;
FC28Sensor mySensor;
const float gama = 0.7;
const float rl10 = 50;
//---------------------------------------
//VOID SETUP-----------------------------
void setup() {
Serial.begin(9600);
Serial.flush();
pinMode(ldrPin, INPUT);
pinMode(DHT_PIN, INPUT);
pinMode(LED_PIN, OUTPUT);
pinMode(relayPin, OUTPUT);
mySensor.initFC28Sensor(115200, SensorFC28_Pin);
Wire.begin();
if(!rtc.begin()){
Serial.println("RTC Not Connected");
lcd.setCursor(0,0);
lcd.print("RTC Not Connect");
while (1);
}
Serial.println("Smart Farming System");
dht.begin();
lcd.init();
lcd.backlight();
lcd.setCursor(0,0);
lcd.print("WELCOME");
lcd.setCursor(0,1);
lcd.print("SMART FARMING");
lcd.setCursor(0,2);
lcd.print("MONITORING SYSTEM");
lcd.setCursor(0,3);
lcd.print("UM SUMBAR");
delay(2000);
lcd.clear();
}
//--------------------------------------
//VOID LOOP-----------------------------
void loop() {
// INISIASI RTC
DateTime now = rtc.now();
int tahun = now.year() % 100;
Serial.println("Tanggal : " + String() + now.day() + "/" + now.month() + "/" + tahun);
Serial.println("Waktu : " + String() + now.hour() + ":" + now.minute() + ":" + now.second());
// SENSOR DHT22 DATA SENSOR
float hum = dht.readHumidity();
float temp = dht.readTemperature();
Serial.println("Suhu : " + String(temp, 2) + " °C");
Serial.println("Kelembaban : " + String(hum, 1) + " %");
// SENSOR LDR DATA SENSOR
int ldrValue = analogRead(ldrPin);
ldrValue = map(ldrValue, 4095, 0, 1024, 0); //mengubah nilai pembacaan sensor LDR dari nilai ADC arduino menjadi nilai ADC ESP32
float ldrVoltage = ldrValue / 1024.*5;
float ldrResistance = 2000 * ldrVoltage / (1-ldrVoltage/5);
float lux = pow(rl10*1e3*pow(10,gama)/ldrResistance,(1/gama));
Serial.println("Kecerahan : " + String(lux, 3) + " Lux");
String luxmsg = lux < 807 ? "Kurang" : lux > 808 && lux < 1614? "Medium" : "Tinggi";
// SENSOR SOIL MOISTURE DATA SENSOR
soil_moisture = mySensor.getSoilMoisture();
String msg = soil_moisture < 33.33 ? "Basah" : soil_moisture > 66.66 ? "Kering" : "Normal";
Serial.println("Soil Moisture Value : "+String(soil_moisture,2)+" %");
// OUTPUT RELAY INISIASI POMPA AIR
if((soil_moisture > 66.66)){
digitalWrite(relayPin, HIGH);
}
else{
digitalWrite(relayPin, LOW);
}
// LCD OUTPUT
// KONDISI TANAH
lcd.setCursor(0,0);
lcd.print("Tanah :");
lcd.setCursor(13,0);
lcd.print(msg);
// KONDISI KECERAHAN
if (lux < 807){
digitalWrite(LED_PIN, HIGH);
lcd.setCursor(0,1);
lcd.print("Kecerahan : ");
lcd.setCursor(13,1);
lcd.print(luxmsg);
}
else if (lux > 808 && lux < 1614){
digitalWrite(LED_PIN, LOW);
lcd.setCursor(0,1);
lcd.print("Kecerahan : ");
lcd.setCursor(13,1);
lcd.print(luxmsg);
}
else{
digitalWrite(LED_PIN, LOW);
lcd.setCursor(0,1);
lcd.print("Kecerahan : ");
lcd.setCursor(13,1);
lcd.print(luxmsg);
}
// SUHU
lcd.setCursor(0,2);
lcd.print("Suhu :");
lcd.setCursor(13,2);
lcd.print(temp);
lcd.setCursor(19,2);
lcd.print("C");
// KELEMBABAN
lcd.setCursor(0,3);
lcd.print("Kelembaban :");
lcd.setCursor(13,3);
lcd.print(hum);
lcd.setCursor(19,3);
lcd.print("%");
Serial.println("--------------");
delay(2000);
lcd.clear();
}
//-----------------------------------------