Wokwi - Online ESP32, STM32, Arduino Simulator

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<head>
  <meta charset="UTF-8">
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  <title>Simulasi Jam Digital dan Suhu</title>

  <script src="https://cdn.wokwi.com/wokwi/wokwi.js"></script>
  <link rel="stylesheet" href="https://cdn.wokwi.com/wokwi/wokwi.css">

  <style>
    body {
      font-family: sans-serif;
      text-align: center;
    }

    #clock {
      font-size: 24px;
      margin-top: 50px;
    }

    #temperature {
      font-size: 18px;
      margin-top: 20px;
    }
  </style>
</head>
<body>
  <wokwi-arduino id="arduino" board="arduino" frequency="16mhz"></wokwi-arduino>

  <script>
    const arduino = document.getElementById('arduino');

    // Include libraries for RTC and DHT-22
    #include <Wire.h>
    #include <DS1307.h>
    #include <DHT.h>

    // Define pins for RTC, DHT-22, and dot matrix display
    const int clkPin = 13;
    const int dataPin = 11;
    const int csPin = 10;
    const int dhtPin = 2;
    const int dhtType = DHT22;

    // Instantiate RTC and DHT-22 objects
    DS1307 rtc(DS1307_ADDRESS);
    DHT dht(dhtPin, dhtType);

    // Initialize dot matrix display
    MD_Parola P = MD_Parola(MD_MAX72XX::PAROLA_HW, csPin, 1); // 1 device

    // Function to set the time on the RTC
    void setTime(uint8_t hour, uint8_t minute, uint8_t second) {
      rtc.set(DS1307::HOUR, hour);
      rtc.set(DS1307::MINUTE, minute);
      rtc.set(DS1307::SECOND, second);
    }

    // Function to read the time from the RTC
    void getTime(uint8_t &hour, uint8_t &minute, uint8_t &second) {
      hour = rtc.get(DS1307::HOUR);
      minute = rtc.get(DS1307::MINUTE);
      second = rtc.get(DS1307::SECOND);
    }

    // Function to display the time on the dot matrix display
    void displayTime() {
      uint8_t hour, minute, second;
      getTime(hour, minute, second);

      // Convert time to string
      char timeString[10];
      sprintf(timeString, "%02d:%02d:%02d", hour, minute, second);

      // Display time on dot matrix display
      P.showString(timeString, 1); // Start at row 1
    }

    // Function to read the temperature from the DHT-22 sensor
    float readTemperature() {
      float humidity, temperature;

      // Read temperature and humidity from DHT-22 sensor
      dht.readSensor(humidity, temperature);

      // Return temperature
      return temperature;
    }

    // Function to display the temperature on the dot matrix display
    void displayTemperature() {
      float temperature = readTemperature();

      // Convert temperature to string
      char temperatureString[10];
      sprintf(temperatureString, "%02.1f°C", temperature);

      // Display temperature on dot matrix display
      P.showString(temperatureString, 3); // Start at row 3
    }

    // Set