Unit CO2L Arduino Tutorial

#include <M5Unified.h>
#include <M5UnitUnified.h>
#include <M5UnitUnifiedENV.h>
 
auto& lcd = M5.Display;
m5::unit::UnitUnified Units;
m5::unit::UnitCO2 unit;
 
void setup()
{
    M5.begin();
 
    M5.Display.setFont(&fonts::lgfxJapanMinchoP_20);
    M5.Display.setTextSize(1);
    auto pin_num_sda = M5.getPin(m5::pin_name_t::port_a_sda);
    auto pin_num_scl = M5.getPin(m5::pin_name_t::port_a_scl);
    M5_LOGI("getPin: SDA:%u SCL:%u", pin_num_sda, pin_num_scl);
 
    Wire.begin(pin_num_sda, pin_num_scl, 400000U);
    if (!Units.add(unit, Wire) || !Units.begin()) {
        M5_LOGE("Failed to begin");
        M5.Display.clear(TFT_RED);
        while (true) {
            m5::utility::delay(10000);
        }
    }
 
    M5_LOGI("M5UnitUnified has been begun");
    M5_LOGI("%s", Units.debugInfo().c_str());
    M5.Display.setCursor(0, 0);
    M5.Display.clear();
    M5.Display.println("Init...");
}
 
void loop()
{
    M5.update();
    Units.update();
    if (unit.updated()) {
        M5.Display.setCursor(0, 0);
        M5.Display.clear();
        M5.Display.printf("\n>CO2:%u\n>Temperature:%2.2f\n>Humidity:%2.2f", unit.co2(), unit.temperature(),
                          unit.humidity());
    }
}