Kendali Oven dengan Metode PID dan IOT Blynk 2.0

Kendali Oven dengan Metode PID dan IOT Blynk 2.0

          Pada kesempatan kali ini saya akan menjelaskan mengenai bagaimana cara membuat sebuah alat yang bisa dikendalikan dengan metode pid, alat ini yaitu oven listrik yang menggunakan tegangan 220 volt selain itu juga bisa dipantau menggunakan IOT Blynk karena menggunakan ESP32. untuk lebih jelasnya berikut adalah koding dan daftar komponennya.

1. Daftar komponen

- ESP32

- LCD 16x2 I2c

- SSR Modul

- Thermocouple Type K

- Elemen pemanas

2. Program Arduino IDE

#define BLYNK_TEMPLATE_ID "TMPL662sTjRVt"

#define BLYNK_TEMPLATE_NAME "oven pid"

#define BLYNK_AUTH_TOKEN "p0MGEqfrRkPDCDwNvZZszpA6-fvA9b5V"

#define BLYNK_PRINT Serial 

#include <Wire.h>

#include <WiFi.h>

#include <WiFiClient.h>

#include <BlynkSimpleEsp32.h>

#include <LiquidCrystal_I2C.h>  //i2C LCD Library

#include <max6675.h>

LiquidCrystal_I2C lcd(0x27, 16, 2); 

int thermoDO = 19; //bisa juga S0

int thermoCS = 23; //bisa juga CS

int thermoCLK = 5; //bisa juga SCK

int ssr = 34;

MAX6675 thermocouple(thermoCLK, thermoCS, thermoDO);

float kp = 2.08;

float ki = 1.67;

float kd = 2.15;

float p,i,d,suhu,pid;

float error,errorx,sumerr;

//set point = 95

float sp = 80.0;

BlynkTimer timer;

char ssid[] = "hotspothpku";

char pass[] = "123456789";

void sendSensor()

{

 Blynk.virtualWrite(V0, suhu);

 Blynk.virtualWrite(V1, pid);

 delay(1000);

}

void setup() {

  pinMode(ssr,OUTPUT);

  Serial.begin(9600);

  lcd.begin();

  lcd.clear();

  lcd.noCursor();

  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);

  timer.setInterval(1000L, sendSensor); 

  // wait for MAX chip to stabilize

  delay(500);

}

void loop() {

  float suhu = thermocouple.readCelsius();

  analogWrite(ssr,pid);

  error = sp - suhu;

  p = error * kp;

  sumerr = error + errorx;

  i = ki * sumerr;

  d = error - errorx;

  pid = p + i + d;

  pid = 255.0 - pid;

  if(pid < 1){

  pid = 0;

  }

  lcd.setCursor(0,0);

  lcd.print("Suhu: ");

  lcd.print(suhu);

  lcd.print("   ");

      

  lcd.setCursor(0,1);

  lcd.print("PID: "); 

  lcd.print(pid);

  lcd.print("   ");

  

  Blynk.run();

  timer.run();  

     

delay(200);

errorx = error;

}

Kendali Relay 4 Channel via WIFI Local IP Address

Kendali Relay 4 Channel via WIFI Local IP Address

         Pada kesempatan kali ini saya akan menjelaskan mengenai bagaimana cara membuat sebuah alat yang dapat mengendalikan relay 4 channel dengan menggunakan wifi local IP Address. jadi alat ini bisa mengendalikan berbagai peralatan rumah tangga atau lampu. untuk lebihjelasnya berikut adalah kodingnya.

1. Interface Browser

 

2. Program Arduino IDE

 #include <ESP8266WiFi.h>

const char* ssid = "hotspotwifiku";

const char* password = "123456789";

int ledPin1 = D1; 

int ledPin2 = D2;

int ledPin3 = D3;

int ledPin4 = D4;

WiFiServer server(80);

void setup() {

  Serial.begin(9600);

  delay(10);

  pinMode(ledPin1, OUTPUT);

  digitalWrite(ledPin1, HIGH);

  pinMode(ledPin2, OUTPUT);

  digitalWrite(ledPin2, HIGH);

  pinMode(ledPin3, OUTPUT);

  digitalWrite(ledPin3, HIGH);

  pinMode(ledPin4, OUTPUT);

  digitalWrite(ledPin4, HIGH);

  // Connect to WiFi network

  Serial.println();

  Serial.println();

  Serial.print("Connecting to ");

  Serial.println(ssid);

  WiFi.begin(ssid, password);

  while (WiFi.status() != WL_CONNECTED) {

    delay(500);

    Serial.print(".");

  }

  Serial.println("");

  Serial.println("WiFi connected");

  // Start the server

  server.begin();

  Serial.println("Server started");

  // Print the IP address

  Serial.print("Use this URL to connect: ");

  Serial.print("http://");

  Serial.print(WiFi.localIP());

  Serial.println("/");

}

void loop() {

  // Check if a client has connected

  WiFiClient client = server.available();

  if (!client) {

    return;

  }

  // Wait until the client sends some data

  Serial.println("new client");

  while(!client.available()){

    delay(1);

  }

  // Read the first line of the request

  String request = client.readStringUntil('\r');

  Serial.println(request);

  client.flush();

  // Match the request

  int value1 = HIGH;

  int value2 = HIGH;

  int value3 = HIGH;

  int value4 = HIGH;

  

  if (request.indexOf("/LED1=ON") != -1)  {

    digitalWrite(ledPin1, LOW);

    value1 = LOW;

  }

  if (request.indexOf("/LED1=OFF") != -1)  {

    digitalWrite(ledPin1, HIGH);

    value1 = HIGH;

  }

  if (request.indexOf("/LED2=ON") != -1)  {

    digitalWrite(ledPin2, LOW);

    value2 = LOW;

  }

  if (request.indexOf("/LED2=OFF") != -1)  {

    digitalWrite(ledPin2, HIGH);

    value2 = HIGH;

  }

  if (request.indexOf("/LED3=ON") != -1)  {

    digitalWrite(ledPin3, LOW);

    value3 = LOW;

  }

  if (request.indexOf("/LED3=OFF") != -1)  {

    digitalWrite(ledPin3, HIGH);

    value3 = HIGH;

  }

  if (request.indexOf("/LED4=ON") != -1)  {

    digitalWrite(ledPin4, LOW);

    value4 = LOW;

  }

  if (request.indexOf("/LED4=OFF") != -1)  {

    digitalWrite(ledPin4, HIGH);

    value4 = HIGH;

  }

// Set ledPin according to the request

//digitalWrite(ledPin, value);

  // Return the response

  client.println("HTTP/1.1 200 OK");

  client.println("Content-Type: text/html");

  client.println(""); //  do not forget this one

  client.println("<!DOCTYPE HTML>");

  client.println("<html>");

  

  client.println("<br><br>");

  client.println("<a href=\"/LED1=ON\"\"><button>Turn1 On </button></a>");

  client.println("<a href=\"/LED1=OFF\"\"><button>Turn1 Off </button></a><br />"); 

  client.println("<br>");

  client.println("<a href=\"/LED2=ON\"\"><button>Turn2 On </button></a>");

  client.println("<a href=\"/LED2=OFF\"\"><button>Turn2 Off </button></a><br />");

  client.println("<br>");

  client.println("<a href=\"/LED3=ON\"\"><button>Turn3 On </button></a>");

  client.println("<a href=\"/LED3=OFF\"\"><button>Turn3 Off </button></a><br />");

  client.println("<br>");

  client.println("<a href=\"/LED4=ON\"\"><button>Turn4 On </button></a>");

  client.println("<a href=\"/LED4=OFF\"\"><button>Turn4 Off </button></a><br />");    

  

  client.println("</html>");

  delay(1);

  Serial.println("Client disonnected");

  Serial.println("");

}

3. VIDEO HASILNYA

Alat Pakan ikan Otomatis Monitor Ph turbidity suhu dan water level IOT Blynk 2.0

Alat Pakan ikan Otomatis Monitor Ph turbidity suhu dan water level 

 

        Pada kesempatan kali ini saya akan menjelaskan mengenai bagaimana cara membuat sebuah alat untuk pakan ikan otomatis dan mengukur PH Turbidity Suhu Amoniak Water Level IOT Blynk. jadi alat ini menggunakan arduino nano dan esp32. untuk lebih jelasnya berikut adalah kodingnya.

 

 

1. Program Arduino Nano

 

 #include <Wire.h>
#include <OneWire.h>
#include <DallasTemperature.h>
#include <LiquidCrystal_I2C.h>
#include <DS3231.h>
#include <EEPROM.h>
#define ONE_WIRE_BUS 12  
#include <Servo.h>
#include <SoftwareSerial.h>

SoftwareSerial mySerial(2, 3); // RX pin 2, TX pin 3

#define trigPin1 9
#define echoPin1 6
#define trigPin2 13
#define echoPin2 10
 
OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);

LiquidCrystal_I2C lcd(0x27,20,4);
DS3231  rtc(SDA, SCL);
Servo myservo1;

int addr1 = 0;
int addr2 = 1;
int addr3 = 2;
int addr4 = 3;
int addr5 = 4;

Time  t;
int jampagi,jamsiang,jamsore;
float TempC;
float pHValue;
int tds;
int adctds;
int adcPH;
int TempCx;
int pHValuex;
int ntux;
float ntufix;
long duration1, distance1;
long duration2, distance2;  
int btset = 4;
int btup = 8;
int btdown = 7;
int btok = 11;
int btsetx;
int btupx;
int btdownx;
int btokx;
float batasamo;
float batasph;
float amoniak;
int relayaerator = A2;
int relayout = A3;
int relayin = A6;
int tanda = 0;
int kolam;
int tinggipakan;
int tdsValue;

void setup(){  
  
jampagi = EEPROM.read(addr1);
jamsiang = EEPROM.read(addr2);
jamsore = EEPROM.read(addr3);
batasamo = EEPROM.read(addr4);
batasph = EEPROM.read(addr5);

pinMode(trigPin1, OUTPUT);
pinMode(echoPin1, INPUT);
pinMode(trigPin2, OUTPUT);
pinMode(echoPin2, INPUT); 

pinMode(relayaerator,OUTPUT);
digitalWrite(relayaerator,HIGH);
pinMode(relayin,OUTPUT);
digitalWrite(relayin,HIGH);
pinMode(relayout,OUTPUT);
digitalWrite(relayout,HIGH);

pinMode(btset,INPUT_PULLUP);
pinMode(btup,INPUT_PULLUP);
pinMode(btdown,INPUT_PULLUP);
pinMode(btok,INPUT_PULLUP);

Wire.begin();  
sensors.begin();
mySerial.begin(9600);
lcd.begin();  
lcd.clear(); 

rtc.begin();
//rtc.setDOW(WEDNESDAY);     // Set Day-of-Week to SUNDAmy
//rtc.setTime(17, 20, 0);     // Set the time to 12:00:00 (24hr format)
//rtc.setDate(1, 1, 2014);   // Set the date to January 1st, 2014

myservo1.attach(5);
}

void loop(){

btsetx = digitalRead(btset);
btupx = digitalRead(btup);
btdownx = digitalRead(btdown);
btokx = digitalRead(btok);

if(btsetx == 0){
delay(1000);
lcd.clear();
setjampagi();
setjamsiang();
setjamsore();
setbatasamo();
setbatasph();
}
  
 t = rtc.getTime();
    
 adcPH = analogRead(A0); //menggunakan pin A0 untuk membaca output sensor pH
 pHValue = (adcPH - 1093.4) / -30.897;

 adctds = analogRead(A1);             
 tdsValue = map(adctds, 566, 1, 0, 100);
 
 pHValuex = pHValue * 100.0;
 
  sensors.requestTemperatures();
  TempC = sensors.getTempCByIndex(0); // Celcius
  TempCx =  TempC * 100.0;

if(pHValue < 6.5){
  amoniak = (pHValue / TempC) * 0.202; 
}

if(pHValue == 7.0){
  amoniak = (pHValue / TempC) * 1.131; 
}

if(pHValue > 7.0){
  amoniak = (pHValue / TempC) * 3.306; 
}

if(amoniak > batasamo){
  digitalWrite(relayaerator,HIGH);
  }

if(amoniak <= batasamo){
  digitalWrite(relayaerator,LOW);
  }

if((t.hour == jampagi)&&(jampagi > 0)&&(tanda == 0)){
  myservo1.write(150);
  delay(5000);
  myservo1.write(100);
  tanda = 1;
}

if((t.hour == jamsiang)&&(jamsiang > 0)&&(tanda == 1)){
  myservo1.write(150);
  delay(5000);
  myservo1.write(100);
  tanda = 2;
}

if((t.hour == jamsore)&&(jamsore > 0)&&(tanda == 2)){
  myservo1.write(150);
  delay(5000);
  myservo1.write(100);
  tanda = 0;
}

  lcd.setCursor(0,0);
  lcd.print("TDS:");
  lcd.print(tdsValue);
  lcd.print(" ");
 
  lcd.print("PH:");
  lcd.print(pHValue);
  lcd.print(" ");

  lcd.setCursor(0,1);
  lcd.print("T:");
  lcd.print(TempC,1);
  lcd.print("c ");
  
  lcd.print(batasamo,1);
  lcd.print("/");
  lcd.print(batasph,1);
  lcd.print("");

  lcd.setCursor(0,2);
  lcd.print(t.hour, DEC);
  lcd.print(":");
  lcd.print(t.min, DEC);
  lcd.print(":");
  lcd.print(t.sec, DEC);
  lcd.print("  ");
  lcd.print(jampagi);
  lcd.print("/");
  lcd.print(jamsiang);
  lcd.print("/");
  lcd.print(jamsore);
  lcd.print("");

  lcd.setCursor(0,3);
  lcd.print("Mg/l:");
  lcd.print(amoniak,1);
  lcd.print(" ");
  lcd.print(kolam);
  lcd.print("/");
  lcd.print(tinggipakan);
  lcd.print("  ");

  //ketinggian air kolam 
  digitalWrite(trigPin1, LOW);  // Added this line
  delayMicroseconds(2); // Added this line
  digitalWrite(trigPin1, HIGH);
  delayMicroseconds(10); // Added this line
  digitalWrite(trigPin1, LOW);
  duration1 = pulseIn(echoPin1, HIGH);
  distance1 = (duration1/2) / 29.1;

  //ketinggian pakan ikan
  digitalWrite(trigPin2, LOW);  // Added this line
  delayMicroseconds(2); // Added this line
  digitalWrite(trigPin2, HIGH);
  delayMicroseconds(10); // Added this line
  digitalWrite(trigPin2, LOW);
  duration2 = pulseIn(echoPin2, HIGH);
  distance2 = (duration2/2) / 29.1;
  
  if(distance1 > 35){
    distance1 = 35;
  }

  if(distance2 > 30){
    distance2 = 30;
  }
  
  kolam = 35 - distance1; 
  tinggipakan = map(distance2, 5,30,100,0);

if((kolam >= 29)&&(kolam <= 31)){
  digitalWrite(relayin,LOW);
  digitalWrite(relayout,LOW);  
  }

if(kolam < 29){
  digitalWrite(relayin,HIGH);
  digitalWrite(relayout,LOW);
  }

if(kolam > 31){
  digitalWrite(relayin,LOW);
  digitalWrite(relayout,HIGH);
  }

  mySerial.print("*");
  mySerial.print(pHValue * 100.0);
  mySerial.print(",");
  mySerial.print(tdsValue);
  mySerial.print(",");
  mySerial.print(amoniak * 100.0);
  mySerial.print(",");
  mySerial.print(TempC * 100.0);
  mySerial.println("#");
  
  delay(1000);
}

void setjampagi(){
  
btsetx = digitalRead(btset);
btupx = digitalRead(btup);
btdownx = digitalRead(btdown);
btokx = digitalRead(btok);  

  lcd.setCursor(0,0);
  lcd.print("Waktu Pakan Pagi");
  lcd.setCursor(0,1);
  lcd.print("Jam: ");
  lcd.print(jampagi);
  lcd.print("   ");

if(btupx == 0){
  delay(200);
  jampagi++; 
}

if(btdownx == 0){
  delay(200);
  jampagi--; 
}

if(jampagi > 23){
jampagi = 0;  
}

if(btokx == 0){
  lcd.clear();
  delay(2000);
  EEPROM.write(addr1, jampagi);
  return; 
}

setjampagi();  
}

void setjamsiang(){
  
btsetx = digitalRead(btset);
btupx = digitalRead(btup);
btdownx = digitalRead(btdown);
btokx = digitalRead(btok);  

  lcd.setCursor(0,0);
  lcd.print("Waktu Pakan Siang  ");
  lcd.setCursor(0,1);
  lcd.print("Jam: ");
  lcd.print(jamsiang);
  lcd.print("   ");

if(btupx == 0){
  delay(200);
  jamsiang++; 
}

if(btdownx == 0){
  delay(200);
  jamsiang--; 
}

if(jamsiang > 23){
jamsiang = 0;  
}

if(btokx == 0){
  lcd.clear();
  delay(2000);
  EEPROM.write(addr2, jamsiang);
  return; 
}

setjamsiang();  
}

void setjamsore(){
  
btsetx = digitalRead(btset);
btupx = digitalRead(btup);
btdownx = digitalRead(btdown);
btokx = digitalRead(btok);  

  lcd.setCursor(0,0);
  lcd.print("Waktu Pakan Sore  ");
  lcd.setCursor(0,1);
  lcd.print("Jam: ");
  lcd.print(jamsore);
  lcd.print("   ");

if(btupx == 0){
  delay(200);
  jamsore++; 
}

if(btdownx == 0){
  delay(200);
  jamsore--; 
}

if(jamsore > 23){
jamsore = 0;  
}

if(btokx == 0){
  lcd.clear();
  delay(2000);
  EEPROM.write(addr3, jamsore);
  return; 
}

setjamsore();  
}

void setbatasamo(){
  
btsetx = digitalRead(btset);
btupx = digitalRead(btup);
btdownx = digitalRead(btdown);
btokx = digitalRead(btok);  

  lcd.setCursor(0,0);
  lcd.print("BATAS AMONIAK  ");
  lcd.setCursor(0,1);
  lcd.print("mg/l: ");
  lcd.print(batasamo);
  lcd.print("   ");

if(btupx == 0){
  delay(200);
  batasamo = batasamo + 0.1; 
}

if(btdownx == 0){
  delay(200);
  batasamo = batasamo - 0.1; 
}

if(batasamo > 100.0){
batasamo = 0;  
}

if(btokx == 0){
  lcd.clear();
  delay(2000);
  EEPROM.write(addr4, batasamo);
  return; 
}

setbatasamo();  
}

void setbatasph(){
  
btsetx = digitalRead(btset);
btupx = digitalRead(btup);
btdownx = digitalRead(btdown);
btokx = digitalRead(btok);  

  lcd.setCursor(0,0);
  lcd.print("BATAS PH  ");
  lcd.setCursor(0,1);
  lcd.print("PH: ");
  lcd.print(batasph);
  lcd.print("   ");

if(btupx == 0){
  delay(200);
  batasph = batasph + 0.1; 
}

if(btdownx == 0){
  delay(200);
  batasph = batasph - 0.1; 
}

if(batasph > 100.0){
batasph = 0;  
}

if(btokx == 0){
  lcd.clear();
  delay(2000);
  EEPROM.write(addr5, batasph);
  return; 
}

setbatasph();  
}

 

 

 

2. Program ESP32 

 

#define BLYNK_TEMPLATE_ID "TMX8978HJDWEY"
#define BLYNK_TEMPLATE_NAME "pakan ikan"
#define BLYNK_AUTH_TOKEN "mycwL9MegtQgqhjhgjhftytljpouoiyuyytetxgfch"
#define  BLYNK_PRINT Serial  
#include <SPI.h>
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#define RXD2 16
#define TXD2 17

int temp;
int x = 5;
int y;

int value1;
int value2;
int value3;
int value4;

float ph;
int tds;
float amoniak;
float suhu;

int datain1;
int datain2;
int datain3;
int datain4;

String dataIn;
String dt[10];
int i;
boolean parsing = false;
BlynkTimer timer;

char ssid[] = "hotspothpku";
char pass[] = "123456789";

void sendSensor()
{
 Blynk.virtualWrite(V0, ph);
 Blynk.virtualWrite(V1, tds);
 Blynk.virtualWrite(V2, amoniak);
 Blynk.virtualWrite(V3, suhu);
 delay(1000);
}

void setup(){  
Serial2.begin(9600, SERIAL_8N1, RXD2, TXD2);
Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);
timer.setInterval(1000L, sendSensor);
}

void loop() {
        
while(Serial2.available()>0) {
//   dataIn="";
    char inChar = (char)Serial2.read();
    dataIn += inChar;
    if (inChar == '\n') {
    parsing = true;
  }
}

if(parsing){
    parsingData();

  Blynk.run();
  timer.run();
  delay(200);

}
 
delay(100);
}

void parsingData(){
int j=0;

//kirim data yang telah diterima sebelumnya
//Serial.print("data masuk : ");
//Serial.print(dataIn);
//Serial.print("\n");

//inisialisasi variabel, (reset isi variabel)
dt[j]="";
//proses parsing data
for(i=1;i<dataIn.length();i++){
//pengecekan tiap karakter dengan karakter (#) dan (,)
if ((dataIn[i] == '#') || (dataIn[i] == ','))
{
//increment variabel j, digunakan untuk merubah index array penampung
j++;
dt[j]="";       //inisialisasi variabel array dt[j]
}
else
{
//proses tampung data saat pengecekan karakter selesai.
dt[j] = dt[j] + dataIn[i];
}
}

 datain1 = dt[0].toInt();
 datain2 = dt[1].toInt();
 datain3 = dt[2].toInt();
 datain4 = dt[3].toInt();

 ph = datain1 / 100.0;
 tds = datain2 / 1;
 amoniak = datain3 / 100.0;
 suhu = datain4 / 100.0;
 
} 

 

 

 

3. VIDEO HASILNYA