Program Pendeteks banjir dengan speaker isd 1820

#include <SoftwareSerial.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE);
SoftwareSerial SIM800L(12, 11);
#define trigPin 3
#define echoPin 4
#define ledaman 5
#define led1 6
#define led2 7
#define led3 8
#define BUZZER 9
#define konveyor A1
#define speaker 10


void setup() {
 
 lcd.begin(16, 2);               
 lcd.backlight();
 lcd.clear();
 lcd.setCursor(0, 0);
 lcd.print("Assalamualaikum");
 lcd.setCursor(5, 1);
 lcd.print("WR.WB");
 delay(2000);

 lcd.clear();
 lcd.setCursor(2, 0);
 lcd.print("Ririn Afriza");
 lcd.setCursor(0, 1);
 lcd.print("NPM : 1660100080");
 delay(2000);

 lcd.clear();
 lcd.setCursor(2, 0);
 lcd.print("I L0VE YOU");
 delay(2000);


 lcd.clear();
 lcd.setCursor(4, 0);
 lcd.print("SKRIPSI");
 lcd.setCursor(3, 1);
 lcd.print("ROBOTIKA");
 delay(2000);


  SIM800L.begin(115200);
 Serial.begin (9600);
 pinMode(trigPin, OUTPUT);
 pinMode(echoPin, INPUT);
 pinMode(BUZZER, OUTPUT);
 pinMode(konveyor, OUTPUT);
 pinMode(speaker, OUTPUT);

 pinMode(ledaman, OUTPUT);
 pinMode(led1, OUTPUT);
 pinMode(led2, OUTPUT);
 pinMode(led3, OUTPUT);


}

void loop() {
 long duration, distance;
 digitalWrite(trigPin, LOW);
 delayMicroseconds(2);
 digitalWrite(trigPin, HIGH);
 delayMicroseconds(10);
 digitalWrite(trigPin, LOW);
 duration = pulseIn(echoPin, HIGH);
 distance = (duration/2) / 29.1;


lcd.clear();
lcd.setCursor(0,0);   
lcd.print("Tinggi Air:");   
lcd.print(distance);   
lcd.print("cm"); 
   

lcd.setCursor(0,1);   
lcd.print("Kondisi :");


if(distance>=16) {
  digitalWrite(ledaman, HIGH);
  digitalWrite(led1, LOW);
  digitalWrite(led2, LOW);
  digitalWrite(led3, LOW);
  digitalWrite(BUZZER, LOW);
  digitalWrite(konveyor, HIGH);
digitalWrite(speaker, LOW);

lcd.setCursor(10,1);   
lcd.print("Aman"); 

}
else {
   digitalWrite(ledaman, LOW);
}
if(distance <= 15) {
  digitalWrite(led1, HIGH);
  digitalWrite(led2, LOW);
  digitalWrite(led3, LOW);
  digitalWrite(BUZZER, LOW);
   digitalWrite(konveyor, HIGH);
digitalWrite(speaker, LOW);

lcd.setCursor(10,1);   
lcd.print("Normal"); 
}

if(distance < 10) {
  digitalWrite(led2, HIGH);
  digitalWrite(led1, LOW);
  digitalWrite(led3, LOW);
  digitalWrite(BUZZER, LOW);
  digitalWrite(konveyor, HIGH);
digitalWrite(speaker, LOW);
lcd.setCursor(10,1);   
lcd.print("Siaga."); 

}
if(distance <= 5) {

  digitalWrite(led2, LOW);
  digitalWrite(led1, LOW);
 digitalWrite(konveyor, LOW);

  digitalWrite(led3, HIGH);
  digitalWrite(BUZZER, HIGH);
delay(500);
 digitalWrite(led3,LOW);
 digitalWrite(BUZZER, LOW);
delay(500);
 digitalWrite(led3, HIGH);
  digitalWrite(BUZZER, HIGH);
delay(500);
 digitalWrite(led3,LOW);
 digitalWrite(BUZZER, LOW);
delay(500);
 digitalWrite(led3, HIGH);
  digitalWrite(BUZZER, HIGH);
delay(500);
 digitalWrite(led3,LOW);
 digitalWrite(BUZZER, LOW);
delay(500);
 digitalWrite(led3, HIGH);
  digitalWrite(BUZZER, HIGH);
delay(500);
digitalWrite(led3,LOW);
 digitalWrite(BUZZER, LOW);
delay(500);
digitalWrite(speaker, HIGH);
delay(500);


lcd.setCursor(10,1);   
lcd.print("Bahaya"); 

  SIM800L.write("AT+CMGF=1\r\n");
  delay(1000);
  SIM800L.write("AT+CMGS=\"082176559542\"\r\n");
  delay(1000);
  SIM800L.write("Sensor Merdeteksi Adanya ketinggian air  ... !!!");
  delay(1000);
  SIM800L.write((char)26);
  delay(1000);

  lcd.clear();
}

 delay(500);
}

Program alat penyiram tanaman otomatis

#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <SoftwareSerial.h>

SoftwareSerial SIM800L(5, 4);
LiquidCrystal_I2C lcd(0x27, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE);

int pompa = A1; 
float TANAH = A0, LEMBAB = 0;
#define power 7

#define trigPin 3
#define echoPin 2
#define hijau 8
#define kuning 9
#define merah 10
#define BUZZER 6

void setup() {
 Serial.begin(9600);
 SIM800L.begin(115200);

 pinMode(trigPin, OUTPUT);
 pinMode(echoPin, INPUT);
  pinMode( power, OUTPUT);
 pinMode(BUZZER, OUTPUT);
 pinMode(hijau, OUTPUT);
 pinMode(merah, OUTPUT);
 pinMode(kuning, OUTPUT);
 pinMode  (pompa, OUTPUT);

 lcd.begin(20, 4);               
 lcd.backlight();
 lcd.clear();
 lcd.setCursor(2, 0);
 lcd.print("Assalamualaikum");
 lcd.setCursor(7, 1);
 lcd.print("WR.WB");
  lcd.setCursor(2, 2);
 lcd.print("SKRIPSI ROBOTIKA");
 lcd.setCursor(2, 3);
 lcd.print("PENYIRAM TANAMAN");
 delay(3000);

 lcd.clear();
 lcd.setCursor(0, 0);
 lcd.print("Nama : Diana Yuntari");
 lcd.setCursor(0, 1);
 lcd.print("NPM  : 1660100060");
  lcd.setCursor(0, 2);
 lcd.print("Prodi: Informatika");
 lcd.setCursor(0, 3);
 lcd.print("Fak  : Teknik");
 delay(4000);

  lcd.clear();
}

void loop() {
  long duration, distance;
 digitalWrite(trigPin, LOW);
 delayMicroseconds(2);
 digitalWrite(trigPin, HIGH);
 delayMicroseconds(10);
 digitalWrite(trigPin, LOW);
 duration = pulseIn(echoPin, HIGH);
 distance = (duration/2) / 29.1;
 digitalWrite( power, HIGH);

 LEMBAB = analogRead(TANAH);
Serial.print("Kelembapan tanah");
Serial.print(LEMBAB);


lcd.setCursor(0,0);   
lcd.print("Jarak      :");
lcd.print(distance);   
lcd.print("cm");

lcd.setCursor(0,1);   
lcd.print("Wadah Air  :");


lcd.setCursor(0,2);   
lcd.print("Kelembapan :");
lcd.print(LEMBAB); 
lcd.setCursor(18,2);   
lcd.print("%");   

 lcd.setCursor(0,3);   
lcd.print("Kon.Tanah  :");

 if(LEMBAB>900 ){
  Serial.print("Tanah Kering");

lcd.setCursor(12,3);   
lcd.print("KERING.");   
 delay(500);
digitalWrite(pompa, LOW);
delay(1000);
 
}
else{
  Serial.print(" Kel. Normal ");
  lcd.setCursor(12,3);   
 lcd.print("LEMBAB");

  digitalWrite(pompa, HIGH);
  delay(1000);

}
////Perintah Program Sensor Jarak //////

if(distance < 5) {
  digitalWrite(hijau, HIGH);
  digitalWrite(kuning, LOW);
  digitalWrite(merah, LOW);
  digitalWrite(BUZZER, LOW);
  delay(300);

lcd.setCursor(12,1);   
lcd.print("Penuh.");

}
else {
 digitalWrite(hijau, LOW);
 digitalWrite(kuning, HIGH);
lcd.setCursor(12,1);   
lcd.print("Sedang");
  }
if(distance >= 10) {

lcd.setCursor(12,1);   
lcd.print("Kosong");
   digitalWrite(hijau, LOW);
  digitalWrite(kuning, LOW);
  digitalWrite(merah, HIGH);
  digitalWrite(BUZZER, HIGH);
   digitalWrite(merah, LOW);
 digitalWrite(BUZZER, LOW);
  delay(500);
digitalWrite(merah, HIGH);
  digitalWrite(BUZZER, HIGH);
  digitalWrite(merah, LOW);
 digitalWrite(BUZZER, LOW);
  delay(500);
  digitalWrite(merah, HIGH);
  digitalWrite(BUZZER, HIGH);
  delay(500);
 digitalWrite(merah, LOW);
 digitalWrite(BUZZER, LOW);
  delay(500);
  digitalWrite(merah, HIGH);
  digitalWrite(BUZZER, HIGH);
  delay(500);
 digitalWrite(merah, LOW);
 digitalWrite(BUZZER, LOW);
  delay(500);
   digitalWrite(merah, HIGH);
  digitalWrite(BUZZER, HIGH);
  delay(500);
  digitalWrite(merah, LOW);
 digitalWrite(BUZZER, LOW);
  delay(500);
  SIM800L.write("AT+CMGF=1\r\n");
  delay(1000);
  SIM800L.write("AT+CMGS=\"082176559542\"\r\n");
  delay(1000);
  SIM800L.write("Sensor Merdeteksi Adanya ketinggian air  ... !!!");
  delay(1000);
  SIM800L.write((char)26);
  delay(1000);

 
 lcd.clear(); 
}

delay(300);
 
}

program Pendeteksi kekeruan air dengan sensor turbidity

#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <SoftwareSerial.h>

SoftwareSerial SIM800L(12, 11);
LiquidCrystal_I2C lcd(0x27, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE);

int pompa1 = 6;
int pompa2 = 7;
int buzzer = 2;
int ledmerah = A1;
int ledbiru = A2;
int ledhijau = A3;

int photocellPin0 = A0, photocellReading=0;
float Res0 = 10.0;
void setup() {
  pinMode(pompa1, OUTPUT);
 pinMode(pompa2, OUTPUT);
 pinMode(buzzer, OUTPUT);
 pinMode(ledmerah, OUTPUT);
 pinMode(ledbiru, OUTPUT);
pinMode(ledhijau, OUTPUT);


 
Serial.begin(9600);
 lcd.begin(20, 4);               
 lcd.backlight();
 lcd.clear();
 lcd.setCursor(3, 0);
 lcd.print("Assalamualaikum");
 lcd.setCursor(7, 1);
 lcd.print("WR.WB");

 lcd.setCursor(5, 2);
 lcd.print("LOLA ARFIKA");
 lcd.setCursor(2, 3);
 lcd.print("NPM : 1660100065");
 delay(2000);

 lcd.clear();
}
int i;
void loop() {

 photocellReading = analogRead(photocellPin0);
 float Vout0=photocellReading*0.0048828125;



lcd.setCursor(0,0);
lcd.print("Voltage :");

lcd.setCursor(10,0);
lcd.print(Vout0);

lcd.setCursor(15,0);
lcd.print(" V/t");

lcd.setCursor(0,1);
lcd.print("Volt");

lcd.setCursor(10,1);
lcd.print(photocellReading);

//Output

lcd.setCursor(0,1);
lcd.print("ADC ");
lcd.setCursor(8,1);
lcd.print(":");

lcd.setCursor(10,1);
lcd.print(photocellRea ding);
lcd.setCursor(15,1);
lcd.print("%");

lcd.setCursor(0,2);
lcd.print("Kondisi :");


if (photocellReading >= 500) {

lcd.setCursor(10,2);
lcd.print("KOSONG");

digitalWrite(pompa1, HIGH);
digitalWrite(pompa2, HIGH);

digitalWrite(ledhijau, LOW);
digitalWrite(ledbiru, HIGH);
digitalWrite(ledmerah, LOW);
digitalWrite(buzzer, LOW);


}

if (photocellReading <=500) {
lcd.setCursor(10,2);
lcd.print("KERUH.");

digitalWrite(pompa1, HIGH);
digitalWrite(pompa2, LOW);

digitalWrite(ledhijau, LOW);
digitalWrite(ledbiru, LOW);
digitalWrite(ledmerah, HIGH);
digitalWrite(buzzer, HIGH);
delay(500);
digitalWrite(buzzer, LOW);
delay(500);
digitalWrite(buzzer, HIGH);
delay(500);
digitalWrite(buzzer, LOW);
delay(500);
}


if (photocellReading >=650) {
lcd.setCursor(10,2);
lcd.print("JERNIH");

digitalWrite(pompa1, LOW);
digitalWrite(pompa2, HIGH);

digitalWrite(ledhijau, HIGH);
digitalWrite(ledbiru, LOW);
digitalWrite(ledmerah, LOW);
digitalWrite(buzzer, LOW);
}

delay(2000);//pengulangan pembacaan
lcd.clear();


}

Program robot pemadam api dan skema

#include <Servo.h>
#define RODA1 4
#define RODA2 5
Servo Roda1; Servo Roda2;
//definisi pin kipas dan pin buzzer
#define pompa 13
#define buzzer A7
bool keadaan;
//KALIBRASI KECEPATAN DAN SETPOIN SENSOR
int kecepataan =600; // NILAI GERAK BELOK 90* (500-1000);
int rodakanan  =93;  // NILAI BERHENTI RODA KANAN (+-90);
int rodakiri   =95;  // NILAI BERHENTI RODA KIRI (+-90);
int setpoin    =7;   // NILAI TOLERANSI JARAK HINDAR (7-15);
int lintasan   =200; // NILAI TOLERANSI WARNA LINTASAN (0-1024)
int api        =500; // NILAI TOLERANSI CAHAYA API (0-1024)

//inisialisasi sensor 1 sebelah kiri
#include <NewPing.h>
#define echo1    9
#define trigger1 10
NewPing sonar1(trigger1,echo1,100);

//inisialisasi sensor 2 sebelah depan
#define echo2    11
#define trigger2 12
NewPing sonar2(trigger2,echo2,100);

//inisialisasi sensor 3 sebelah kanan
#define echo3    7
#define trigger3 8
NewPing sonar3(trigger3,echo3,100);


void setup() {
 Serial.begin(9600); // serial monitor "menampilkan data sensor"
 diam(3000);
 Roda1.attach(RODA1);  //pin motor servo
 Roda2.attach(RODA2); 
 pinMode(pompa,OUTPUT);
 pinMode(buzzer,OUTPUT);
 keadaan = 0;
 }

void loop() {
// sensor mengukur dan membaca
int jarak1 =sonar1.ping_cm(); // sensor kiri
int jarak2 =sonar2.ping_cm(); // sensor depan
int jarak3 =sonar3.ping_cm(); // sensor kanan
int base    = analogRead(A0); // pin sensor tcr5000
int api1    = analogRead(A1); // pin sensor Api A1-A5
int api2    = analogRead(A2);
int api3    = analogRead(A3);
int api4    = analogRead(A4);
int api5    = analogRead(A5);
//sensor menampilkan data yang dibaca
Serial.print(jarak1);
Serial.print("   ||   ");
Serial.print(jarak2);
Serial.print("   ||   ");
Serial.print(jarak3);
Serial.print("   ||   ");
Serial.print(api3);
Serial.print("   ||   ");
Serial.println(base);

//PEMIS 1 jika api terdeteksi maka exsekusi
if ((api2>api||api3>api||api4>api) && (jarak2>1&&jarak2<15)){
digitalWrite(buzzer,HIGH);  //buzzer bunyi
 digitalWrite(pompa,LOW);
diam(2000); // panggil diam "lihat inisialisasi progam pangillan void diam(x);"
tiup(kecepatan);  //panggil tiup
diam(1000); //panggil diam
keadaan = 1;

}

//PREMIS 2 Jika api tidak terdeteksi maka exsekusi
else{
digitalWrite(buzzer,LOW); // buzzer mati
pinMode(pompa, INPUT); digitalWrite(pompa,HIGH); // kipas berhenti
if (base>lintasan && keadaan > 0){
  maju();
  delay(kecepataan);
  diam (100000);//berhenti total
}
//jika sensor kiri terdeteksi maka belok kanan
else if (jarak1<setpoin&&jarak1>1){
  kanan(); //panggil kanan
  delay(50);
  }
//jika sensor kanan terdeteksi maka belok kiri
else if (jarak3<setpoin&&jarak3>1){
  kiri();
  delay(50);
  }
//jika sensor depan terdeteksi maka balik (balik belum ditentukan)
else if (jarak2<setpoin&&jarak2>1){
  //jika sensor kiri < sensor kanan maka ditentukan "balik kanan"
  if (jarak1<jarak3){
  balik_kanan();
  delay(kecepataan);
  }
  //jika sensor kanan > sensor kanan maka ditentukan "balik kiri"
  else if (jarak1>jarak3){
  balik_kiri();
  delay(kecepataan);
}
}
//JIKA NIALI SET POIN SEMUA SENSOR TIDAK TERLAMPAUI MAKA "ROBOT MAJU"
else{
  maju();
  delay(100);
}
}
}

// inisialisasi progam pangillan
void maju(){          //SEMUA RODA MAJU
  Roda1.write(380);
  Roda2.write(-380);
}
void mundur(){        //SEMUA RODA MUNDUR
  Roda1.write(-380);
  Roda2.write(380);
}
void balik_kiri(){
  Roda1.write(-380);   //RODA1 MUNDUR
  Roda2.write(-380);   //RODA2 MAJU
}
void balik_kanan(){
  Roda1.write(380);    //RODA1 MAJU
  Roda2.write(380);    //RODA2 MUNDUR
}
void kanan(){
 Roda1.write(380);       //RODA1 MAJU
 Roda2.write(rodakanan); //RODA2 BERHENTI
}
void kiri(){
 Roda1.write(rodakiri); //RODA1 BERHENTI
 Roda2.write(-380);     //RODA2 MAJU
}
void diam(int x){
  Roda1.write(93);  //RODA KANAN BERHENTI
  Roda2.write(95);  //RODA KIRI BERHENTI
  delay(x);         //SEMUA RODA BERHENTI
  }
void tiup(int x){   // ROBOT BERHENTI DAN MENIUP KEKANAN DAN KRKIRI
balik_kanan();
delay(x/4);
diam(x);
balik_kiri();
delay(x/2);
diam(x);
balik_kanan();
delay(x/2);
diam(x);
balik_kiri();
delay(x/4);
diam(x);
}

Program iot

#define BLYNK_PRINT Serial

#include <ESP8266WiFi.h>
#include <BlynkSimpleEsp8266_SSL.h>
#include <DHT.h>
#include <Servo.h>

#define DHTPIN D2
#define DHTTYPE DHT11

char auth[] = "..................."; //Auth dari BLYNK di email anda
char ssid[] = "...................."; //Nama wifi
char pass[] = "..................."; //Password wifi

#define pirPin D5
int pirValue;
int pinValue;

DHT dht(DHTPIN, DHTTYPE);
BlynkTimer timer;
Servo servo;

BLYNK_WRITE(V0)
{
pinValue = param.asInt();
}

BLYNK_WRITE(V3)
{
servo.write(param.asInt());
}

void sendSensor()
{
float h = dht.readHumidity();
float t = dht.readTemperature();
if (isnan(h) || isnan(t)) {
Serial.println("Failed to read from DHT sensor!");
return;
}
Blynk.virtualWrite(V5, h);
Blynk.virtualWrite(V6, t);
}

void setup()
{
Serial.begin(9600);
//delay(10);

Blynk.begin(auth, ssid, pass);

pinMode(pirPin, INPUT);

dht.begin();

timer.setInterval(100L, sendSensor);

servo.attach(D10);
}

void loop()
{
Blynk.run();
Timer.run();
getPirValue();
}

void getPirValue(void)
{
pirValue = digitalRead(pirPin);
if (pinValue == HIGH)
{if (pirValue==HIGH)
{
Serial.println("Motion detected");
Blynk.notify("Motion detected");
Blynk.virtualWrite(V1, 1);
}
if (pirValue==LOW)
{
Serial.println("Motion undetected");
Blynk.virtualWrite(V1, 0);
}}
else{
if (pirValue==HIGH)
{
Serial.println("Motion detected");
Blynk.virtualWrite(V1, 1);
}
if (pirValue==LOW)
{
Serial.println("Motion undetected");
Blynk.virtualWrite(V1, 0);
}
}
}

program sms arduino

#include <SoftwareSerial.h>
 
//SIM800 TX Terhubung Arduino D8
#define SIM800_TX_PIN 8
 
//SIM800 RX Terhubung Arduino D7
#define SIM800_RX_PIN 7
 

SoftwareSerial serialSIM800(SIM800_TX_PIN,SIM800_RX_PIN);
 
void setup() {

  Serial.begin(9600);
  while(!Serial);
   
  //Memulai Komunikasi Serial Arduino  dengan SIM800
  serialSIM800.begin(9600);
  delay(1000);
   
  Serial.println("Program Kirim SMS...");
   

  serialSIM800.write("AT+CMGF=1\r\n");
  delay(1000);
 
  //No tujuan SMS (Ganti dengan Nomor Penerima SMS)
  serialSIM800.write("AT+CMGS=\"08211456XXXX\"\r\n");
  delay(1000);
   
  //Isi SMS
  serialSIM800.write("jangan memberi harapan palsu");
  delay(1000);
   

  serialSIM800.write((char)26);
  delay(1000);
     
  Serial.println("SMS Terkirim !");
}
 
void loop() {
}

Robot arm 619 terbaru full

Pengembangan robot lengan pemindah dan menghitung jumlah barang

sensor hujan dan ldr motor siepper

//smart dying
const int pinLDR = A0;
const int pinRS = A1;
int LEDa = 7;                      //variabel LED
int LEDb = 6;
int LEDc = 5;
int LEDd = 4;
int x=0;
int C1=8;                         //variabel motor stepper
int C2=9;
int C3=10;
int C4=11;

int step = 25;                    //Kecepatan putaran Motor Stepper
int delaytime = 2;

void setup() {
  Serial.begin(9600);
  pinMode(pinLDR,INPUT);          //masukan Led
  pinMode(pinRS,INPUT);           //masukan RS
  pinMode(LEDa,OUTPUT);           // keluaran lampu Merah (1) tanda Gelap
  pinMode(LEDb,OUTPUT);           // keluaran lampu Hijau (1) tanda Cerah
  pinMode(LEDc,OUTPUT);           // keluaran lampu Merah (2) tanda Hujan
  pinMode(LEDd,OUTPUT);           // keluaran lampu Hijau (2) tanda Tidak Hujan
  pinMode(C1,OUTPUT);
  pinMode(C2,OUTPUT);
  pinMode(C3,OUTPUT);
  pinMode(C4,OUTPUT);
}

float total;
int dataLDR=0;                    // data LDR dimulai dari 0
int dataRS=0;                     // data RS dimulai dari 0

void loop (){
  dataLDR = analogRead(pinLDR);               // data LDR dibaca dari pin analog LDR
  if(dataLDR>400) {digitalWrite(LEDa,HIGH);}  // lampu merah (1) menyala apabila nilai LDR >400 (Gelap)
  else            {digitalWrite(LEDa,LOW);}   // lampu hijau (1) mati apabila nilai LDR <400 (Cerah)
 Serial.print("Data LDR = ");                 // tampilan data LDR di monitor
 Serial.println(dataLDR);                     // Nilai dari data LDR yang akan ditampilkan
  if(dataLDR<400) {digitalWrite(LEDb,HIGH);}  // lampu hijau (1) menyala apabila nilai LDR <400 (Cerah)
  else            {digitalWrite(LEDb,LOW);}   // lampu hijau (1) mati apabila nilai LDR >400 (Gelap)
  
 dataRS= analogRead(pinRS);                   // data sensor hujan yang dibaca dari pin analog RS
  if(dataRS<900) {digitalWrite(LEDc,HIGH);}   // lampu merah (2) menyala apabila nilai RS <900 (Hujan)
  else            {digitalWrite(LEDc,LOW);}   // lampu merah (2) mati apabila nilai RS >900 (Tidak Hujan)
 Serial.print("Data RS = ");                  // tampilan data RS di monitor
 Serial.println(dataRS);                      // Nilai dari data RS yang akan ditampilkan
  if(dataRS>900) {digitalWrite(LEDd,HIGH);}   // lampu hijau (2) menyala apabila nilai RS >900 (Tidak Hujan)
  else            {digitalWrite(LEDd,LOW);}   // lampu hijau (2) mati apabila nilai RS <900 (Hujan)
total = (dataRS - (dataLDR+600));
 Serial.print("total ");
 Serial.println(total);
  if (total<-10)
  { if (x==1){
 Serial.print("jemuran keluar");
 for (int i=0; i<2000; i++)
 {mundur(); } x=0;}
}
else if (total>-10)
{ if(x==0) {
 Serial.println("jemuran masuk");
 for (int i=0; i<2000; i++)
 { maju(); } x=1;} 
}

delay(1000);}

void mundur(){
  step4();
  delay(delaytime);
  step3();
  delay(delaytime);
  step2();
  delay(delaytime);
  step1();
  delay(delaytime);
}
void maju(){
  step1();
  delay(delaytime);
  step2();
  delay(delaytime);
  step3();
  delay(delaytime);
  step4();
  delay(delaytime);
}
void step1(){
  digitalWrite(C1,LOW);
  digitalWrite(C2,LOW);
  digitalWrite(C3,HIGH);
  digitalWrite(C4,HIGH);}
void step2(){
  digitalWrite(C1,HIGH);
  digitalWrite(C2,LOW);
  digitalWrite(C3,LOW);
  digitalWrite(C4,HIGH);}
void step3(){
  digitalWrite(C1,HIGH);
  digitalWrite(C2,HIGH);
  digitalWrite(C3,LOW);
  digitalWrite(C4,LOW);}
void step4(){
  digitalWrite(C1,LOW);
  digitalWrite(C2,HIGH);
  digitalWrite(C3,HIGH);
  digitalWrite(C4,LOW);}

sensor gas sms dan lcd

#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <SoftwareSerial.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);

//Pin software Serial untuk komunikasi dengan module SIM800L
SoftwareSerial SIM800L(2, 3); // RX | TX

const int     SensorPin = A0;  // Gas Sensor Here
const int     TestPin = A1;    //Tombol Test
const int     Speaker = 10;
const int     merah = 13; //Out Digital To Emergency Lamp or Sirine drive with Relay
const int     BuzzerPin = 12; //Active Buzzer
const int     hijau = 11;    //LED Indicator Sensor
//https://www.tokopedia.com/rajacell/etalase/arduino-board-module
float         ppmGas;      //Gas dalam 'ppm'->perkiraan
float         GasPercent;  //Gas dalam 'Percent'
const int     GasMax = 50;  //Persentase Maximal Gas
uint8_t       SmsCount = 0; // SMS Count Variable
const int     SmsMax = 3;  //Maksimal SMS yang akan Dikirim
const long    intervalSMS = 10;  //Interval pengiriman setiap sms dalam detik
unsigned long previousMillis = 0;
String        gasStat;
//https://www.tokopedia.com/rajacell/etalase/arduino-board-module
int ledState = LOW;
unsigned long previousMillis2 = 0;
long interval = 1000;

void setup() {
// put your setup code here, to run once:
pinMode (A1,INPUT_PULLUP);
pinMode (11,OUTPUT);
digitalWrite (11, LOW);
pinMode (12,OUTPUT);
pinMode (13,OUTPUT);

lcd.begin(16, 2);
lcd.init();                   
  lcd.init();
  lcd.backlight();


Serial.begin(9600);
SIM800L.begin(9600); 
//https://www.tokopedia.com/rajacell/etalase/arduino-board-module
lcd.setCursor (0,0);
lcd.print(F("Sensor Kebocoran"));
lcd.setCursor (0,1);
lcd.print(F("    Gas LPG    "));
delay (2000);
lcd.clear();
}
//Skecth program ini dibuat oleh Dani-Rajacell untuk www.belajarduino.com
//Silahkan pergunakan coding ini secara free dan mohon untuk tidak menghapus marking ini
//sebagai bentuk apresiasi atas free sharing program ini.
//Untuk kebutuhan Module dan Board Arduino silahkan bisa dibeli di :
//https://www.tokopedia.com/rajacell/etalase/arduino-board-module
void loop() {
// put your main code here, to run repeatedly:
GasPercent = map(analogRead(SensorPin),0,1023,0,100);
ppmGas = map(analogRead(SensorPin),0,1023,0,10000);
interval = map(analogRead(SensorPin),0,1023,1000,10);

Serial.print (GasPercent ); Serial.println (" %");
Serial.print (ppmGas,0); Serial.println (" ppm");

lcd.setCursor (0,0);
lcd.print ("P.Gas:"); lcd.print (GasPercent,1);
lcd.print ("%"); lcd.print ("      ");
lcd.setCursor (0,1);
lcd.print ("C.Gas:"); lcd.print (ppmGas,0);
lcd.print ("ppm"); lcd.print ("    ");
//https://www.tokopedia.com/rajacell/etalase/arduino-board-module
if( GasPercent>GasMax || digitalRead(TestPin) == LOW ){
 
digitalWrite(BuzzerPin,HIGH);
digitalWrite(merah,LOW);
digitalWrite(hijau, HIGH);

gasStat ="*";
if(SmsCount<SmsMax){
  //lcd.backlight();
  unsigned long currentMillis = millis();
  if (currentMillis - previousMillis >= (intervalSMS*1000)) {
  previousMillis = currentMillis;
  kirimSMS();
  SmsCount=SmsCount+1;
 //https://www.tokopedia.com/rajacell/etalase/arduino-board-module
     }
   }
 }
else {
digitalWrite(BuzzerPin,LOW);
digitalWrite(merah,HIGH);
digitalWrite(hijau, LOW);

gasStat ="*";
SmsCount=0; //Reset hitungan SMS
//lcd.noBacklight();
}

blinkingLed (interval);

//delay scanning sensor
delay(100);   


}
//Skecth program ini dibuat oleh Dani-Rajacell untuk www.belajarduino.com
//Silahkan pergunakan coding ini secara free dan mohon untuk tidak menghapus marking ini
//sebagai bentuk apresiasi atas free sharing program ini.
//Untuk kebutuhan Module dan Board Arduino silahkan bisa dibeli di :
//https://www.tokopedia.com/rajacell/etalase/arduino-board-module
void kirimSMS () {
  int tes = 0;
  if(digitalRead(TestPin) == LOW){tes=1;}
  String PesanSMS = ("Terjadi Kebocoran Gas LPG dengan konsentrasi Gas ")+String(GasPercent)+("% ")+String(ppmGas)+(" ppm");
  lcd.clear();
  lcd.setCursor (0,0);
  if(tes==0){lcd.print ("   WARNING!!!   ");}
   if(tes==1){lcd.print ("   TESTING!!!   ");}
  lcd.setCursor (0,1);
  lcd.print ("Send SMS.");
  Serial.println("Menyiapkan Pesan Text");
  SIM800L.write("AT+CMGF=1\r\n");
  delay(500);
  lcd.print (".");
  delay(500);
  Serial.println("Set SMS ke Nomor Tujuan");
  //Tulis nomor tujuan SMS pada perintah dibawah ini
  SIM800L.write("AT+CMGS=\"+6285384571695\"\r\n");
  delay(500);
  lcd.print (".");
  delay(500);
  lcd.print (".");
  Serial.println("Mengirim pesan SMS");
  //Tulis pesan SMS pada baris perintah dibawah ini
  SIM800L.print(PesanSMS);
  Serial.println(PesanSMS);
  //https://www.tokopedia.com/rajacell/etalase/arduino-board-module
  delay(500);
  lcd.print (".");
  delay(500);
  lcd.print (".");
  Serial.println("Mengakhiri SMS");
  SIM800L.write((char)26);
  delay(500);
  lcd.print ("..");   
  Serial.println("SMS Selesai Dikirim!");
  delay(500);
  lcd.setCursor(0,1);
  lcd.print ("   SMS SENT!!   ");
  delay(500);
  lcd.clear();
}
//Skecth program ini dibuat oleh Dani-Rajacell untuk www.belajarduino.com
//Silahkan pergunakan coding ini secara free dan mohon untuk tidak menghapus marking ini
//sebagai bentuk apresiasi atas free sharing program ini.
//Untuk kebutuhan Module dan Board Arduino silahkan bisa dibeli di :
//https://www.tokopedia.com/rajacell/etalase/arduino-board-module
void blinkingLed (long in ) {
 unsigned long currentMillis2 = millis();
  if (currentMillis2 - previousMillis2 >= in) {
    previousMillis2 = currentMillis2;
    if (ledState == LOW) {
      //https://www.tokopedia.com/rajacell/etalase/arduino-board-module
      ledState = HIGH;
    } else {
      ledState = LOW;
    }
   
    lcd.setCursor (14,0);
    lcd.print (gasStat);
  }
}

program sensor ldr dan hujan

#include <Servo.h>

const int pinLDR = A0;
const int pinRS = A1;
int LEDa = 7;                      //variabel LED
int LEDb = 6;

Servo servo;
Servo servo1;
void setup() {
  Serial.begin(9600);
  pinMode(pinLDR,INPUT);          //masukan Led
  pinMode(pinRS,INPUT);           //masukan RS
  pinMode(LEDa,OUTPUT);           // keluaran lampu Merah (1) tanda Gelap
  pinMode(LEDb,OUTPUT);           // keluaran lampu Hijau (1) tanda Cerah
  servo.attach(5) ;         // keluaran lampu Hijau (2) tanda Tidak Hujan
  servo1.attach(4) ;
}

float total;
int dataLDR=0;                    // data LDR dimulai dari 0
int dataRS=0;                     // data RS dimulai dari 0

void loop (){
  dataLDR = analogRead(pinLDR);               // data LDR dibaca dari pin analog LDR
  if(dataLDR>400) {
    digitalWrite(LEDa,HIGH);               // lampu merah (1) menyala apabila nilai LDR >400 (Gelap)
    servo.write(0);
    } 

 else {
      digitalWrite(LEDa,LOW);              // lampu hijau (1) mati apabila nilai LDR <400 (Cerah)
     servo.write(180);
 }
   Serial.print("Data LDR = ");                 // tampilan data LDR di monitor
 Serial.println(dataLDR);


 dataRS= analogRead(pinRS);                   // data sensor hujan yang dibaca dari pin analog RS
  if(dataRS<900) {                          // lampu merah (2) menyala apabila nilai RS <900 (Hujan)
    digitalWrite(LEDb,HIGH);
     servo1.write(0);
    }
   
    else {
      digitalWrite(LEDb,LOW);              // lampu hijau (1) mati apabila nilai LDR <400 (Cerah)
     servo1.write(180);
      }   // lampu merah (2) mati apabila nilai RS >900 (Tidak Hujan)
 Serial.print("Data RS = ");                  // tampilan data RS di monitor
 Serial.println(dataRS);                      // Nilai dari data RS yang akan ditampilkan
 
}