342 lines
8.8 KiB
C++
342 lines
8.8 KiB
C++
#include <ESP32_Supabase.h>
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#include <LiquidCrystal_I2C.h>
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#include <DHT.h>
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#include <WiFi.h>
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#include <Arduino_JSON.h>
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#include <assert.h>
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#include <NTPClient.h>
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#include <WiFiUdp.h>
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#include <Callmebot_ESP32.h>
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#define BOARD "ESP-32"
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#define MQPIN 34
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#define DHTPIN 4
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#define LAMPPIN 26
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#define FANPIN 25
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#define BUZZERPIN 23
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#define SUPABASE_URL "https://oxmfbobxmqldgthethlz.supabase.co"
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#define SUPABASE_ANON_KEY "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJzdXBhYmFzZSIsInJlZiI6Im94bWZib2J4bXFsZGd0aGV0aGx6Iiwicm9sZSI6ImFub24iLCJpYXQiOjE3MDgwNjQ1NDksImV4cCI6MjAyMzY0MDU0OX0.pTDI9CsiN8wthOWhHjM1dONrRP_Hd7BcbwfKgeKGhtU"
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#define WIFI_SSID "Vivo Y21c"
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#define WIFI_PASSWORD "12346789"
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Supabase db;
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LiquidCrystal_I2C lcd(0x27, 16, 2);
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DHT dht(DHTPIN, 22);
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WiFiUDP ntpUDP;
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NTPClient timeClient(ntpUDP, "pool.ntp.org", 3600 * 7, 60000); // GMT +7
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float suhu;
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float kelembaban;
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float persentaseKadarGas;
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bool pengujian;
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float kadarGasVoltase;
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String status = "Menunggu";
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JSONVar dataPengujian;
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JSONVar pengaturan;
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void setup(){
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pinMode(MQPIN, INPUT);
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pinMode(LAMPPIN, OUTPUT);
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pinMode(FANPIN, OUTPUT);
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pinMode(BUZZERPIN, OUTPUT);
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digitalWrite(LAMPPIN, HIGH);
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digitalWrite(FANPIN, HIGH);
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digitalWrite(BUZZERPIN, HIGH);
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Serial.begin(115200);
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// inisialisasi LCD
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lcd.init();
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lcd.backlight();
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lcd.setCursor(0, 0);
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lcd.print("Memuat..........");
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// inisialisasi DHT22
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dht.begin();
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// inisialisasi WiFi
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Serial.print("Menghubungkan ke WiFi");
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WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
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delay(20000);
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// menampilkan gagal terhubung ke jaringan pada LCD
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if (WiFi.status() != WL_CONNECTED) {
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lcd.setCursor(0, 0);
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lcd.print("Gagal terhubung");
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lcd.setCursor(0, 1);
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lcd.print("ke jaringan!");
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}
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// inisialisasi waktu
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timeClient.begin();
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// inisialisasi supabase
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db.begin(SUPABASE_URL, SUPABASE_ANON_KEY);
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getDataPengujian();
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}
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void loop(){
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getPengaturan();
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timeClient.update();
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bool running = (bool) pengaturan[0]["running"];
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if (running) {
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runFermentasi();
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} else {
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lcd.clear();
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lcd.setCursor(0, 0);
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lcd.print("Aku siap!");
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delay(1000);
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lcd.clear();
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lcd.setCursor(7, 1);
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lcd.print("Aku siap!");
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delay(1000);
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}
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}
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void runFermentasi() {
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// mendapatkan nilai kadar gas
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float kadarGas = getKadarGas();
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kadarGasVoltase = kadarGas / 4095.0 * 3.3;
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persentaseKadarGas = getPersentaseKadarGas(kadarGasVoltase);
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// menampilkan kadar gas pada LCD
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lcd.clear();
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lcd.setCursor(0, 0);
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lcd.print("G : ");
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lcd.print(persentaseKadarGas, 1);
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lcd.print(" %");
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lcd.setCursor(0,1);
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lcd.print("H : ");
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lcd.print(status);
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delay(2000);
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// membaca nilai suhu dan kelembaban
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suhu = dht.readTemperature();
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kelembaban = dht.readHumidity();
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if (suhu != 25.5 && kelembaban != 25.5) {
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// menampilkan suhu dan kelembaban pada LCD
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lcd.clear();
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lcd.setCursor(0, 0);
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lcd.print("S : ");
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lcd.print(suhu, 1);
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lcd.print(" C");
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lcd.setCursor(0, 1);
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lcd.print("K : ");
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lcd.print(kelembaban, 1);
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lcd.print(" %");
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// menyalakan lampu jika suhu di bawah 30
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if (suhu <= 30) {
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digitalWrite(LAMPPIN, LOW);
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} else {
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digitalWrite(LAMPPIN, HIGH);
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}
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// menyalakan kipas jika suhu di atas 40
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if (suhu >= 40) {
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digitalWrite(FANPIN, LOW);
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} else {
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digitalWrite(FANPIN, HIGH);
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}
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// menentukan data masuk ke pengujian atau tidak berdasarkan jarak jam
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long unsigned epochTimeNow = timeClient.getEpochTime();
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if (dataPengujian.length() > 0) {
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JSONVar dataPengujianTerakhir = dataPengujian[dataPengujian.length() - 1];
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int created_time = dataPengujianTerakhir["created_time"];
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int epochTimeDiff = epochTimeNow - created_time;
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int jam = epochTimeDiff / 3600; // 1 jam = 3600 detik;
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if (jam >= 6) {
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pengujian = true;
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} else {
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pengujian = false;
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}
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}
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getDebugging();
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String dataHistoriJson = db.from("histori_fermentasi").select("*").order("created_at", "desc", true).limit(1).doSelect();
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JSONVar dataHistori = JSON.parse(dataHistoriJson);
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bool statusHistoriTerakhir = dataHistori[0]["selesai"];
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if (statusHistoriTerakhir == false) {
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digitalWrite(BUZZERPIN, LOW);
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bool historiTerakhirBerhasil = (bool) dataHistori[0]["berhasil"];
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if (historiTerakhirBerhasil) {
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status = "Matang";
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} else {
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status = "Gagal";
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}
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} else {
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digitalWrite(BUZZERPIN, HIGH);
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cekKematangan();
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cekKegagalan();
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insertKondisiTapai();
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}
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delay(2000);
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lcd.clear();
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}
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}
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void getDebugging() {
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Serial.println("Voltase Kadar Gas : " + String(kadarGasVoltase));
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Serial.println("Persentase Kadar Gas : " + String(persentaseKadarGas) + " %");
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Serial.println("Suhu : " + String(suhu) + " C");
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Serial.println("Kelembaban : " + String(kelembaban) + " %");
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}
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// mendapatkana nilai rata-rata kadar gas dari 100 data sampel yang diambil
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float getKadarGas() {
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int total = 100;
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int valueTotal = 0;
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for (int i = 0; i < total; i++) {
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int value = analogRead(MQPIN);
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valueTotal = valueTotal + value;
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}
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float valueAvg = valueTotal / total;
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return valueAvg;
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}
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// konversi tegangan ke persen berdasarkan rumus yang telah ditentukan
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float getPersentaseKadarGas(float voltase) {
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float persentase = 0.2043 * pow(voltase, 2.0) + 0.0611 * voltase - 0.0249;
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float hasil = constrain(persentase * 100, 0, 100);
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return hasil;
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}
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void getPengaturan() {
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String dataJson = db.from("pengaturan").select("*").limit(1).doSelect();
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JSONVar data = JSON.parse(dataJson);
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pengaturan = data;
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}
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void callUser(bool matang = true) {
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String web_url = pengaturan[0]["web_url"];
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String text;
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if (matang == true) {
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text = "Fermentasi tapai berhasil dan sudah matang. ";
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} else {
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text = "Fermentasi tapai gagal. ";
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}
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text = text + "Lihat selengkapnya di " + web_url + ".";
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Callmebot.telegramCall(pengaturan[0]["telepon"], text, "id-ID-Standard-B");
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Serial.println(Callmebot.debug());
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}
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// menyimpan kondisi tapai pada database
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void insertKondisiTapai() {
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JSONVar req;
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req["suhu"] = (float) suhu;
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req["kelembaban"] = (float) kelembaban;
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req["kadar_gas"] = (float) persentaseKadarGas;
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req["pengujian"] = (bool) pengujian;
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req["created_time"] = (int) timeClient.getEpochTime();
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String json = JSON.stringify(req);
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db.insert("kondisi_tapai", json, false);
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if (pengujian == true) {
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getDataPengujian();
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}
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}
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// melakukan cek kematangan
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void cekKematangan() {
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// jika sudah lebih dari 3 * 6 jam (18 jam)
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if (dataPengujian.length() > 3) {
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if (persentaseKadarGas >= 5.28) {
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status = "Matang";
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String dataAwalJson = db.from("kondisi_tapai").select("*").order("created_time", "asc", true).limit(1).doSelect();
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String dataAkhirJson = db.from("kondisi_tapai").select("*").order("created_time", "desc", true).limit(1).doSelect();
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JSONVar dataAwal = JSON.parse(dataAwalJson);
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JSONVar dataAkhir = JSON.parse(dataAkhirJson);
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JSONVar req;
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req["berhasil"] = true;
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req["waktu_awal"] = (int) dataAwal[0]["created_time"];
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req["waktu_akhir"] = (int) dataAkhir[0]["created_time"];
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String json = JSON.stringify(req);
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callUser(true);
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db.insert("histori_fermentasi", json, false);
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pengujian = true;
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}
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}
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}
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// mengecek kegagalan
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void cekKegagalan() {
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JSONVar dataPengujianAwal = dataPengujian[0];
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int epochTimeAwal = (int) dataPengujianAwal["created_time"];
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for (int i = 0; i < dataPengujian.length(); i++) {
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int epochTime = (int) dataPengujian[i]["created_time"];
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int epochTimeDiff = epochTime - epochTimeAwal;
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int lamaJam = epochTimeDiff / 3600;
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float kadarGas = (double) dataPengujian[i]["kadar_gas"];
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float regresiKadarGas = 0.0025 * pow(lamaJam, 2.0) - 0.0397 * lamaJam - 0.1222;
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float nilaiPerempat = regresiKadarGas / 4.0;
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if (lamaJam > 12) {
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if (kadarGas > (regresiKadarGas + nilaiPerempat) || kadarGas < (regresiKadarGas - nilaiPerempat)) {
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status = "Gagal";
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}
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}
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}
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if (status == "Gagal") {
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String dataAwalJson = db.from("kondisi_tapai").select("*").order("created_time", "asc", true).limit(1).doSelect();
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String dataAkhirJson = db.from("kondisi_tapai").select("*").order("created_time", "desc", true).limit(1).doSelect();
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JSONVar dataAwal = JSON.parse(dataAwalJson);
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JSONVar dataAkhir = JSON.parse(dataAkhirJson);
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JSONVar req;
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req["berhasil"] = false;
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req["waktu_awal"] = (int) dataAwal[0]["created_time"];
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req["waktu_akhir"] = (int) dataAkhir[0]["created_time"];
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String json = JSON.stringify(req);
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callUser(false);
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db.insert("histori_fermentasi", json, false);
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pengujian = true;
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}
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}
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// mengambil data pengujian
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void getDataPengujian() {
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String json = db.from("kondisi_tapai").select("*").eq("pengujian", "TRUE").order("created_time", "asc", true).doSelect();
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dataPengujian = JSON.parse(json);
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} |