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// Create a vector to hold the bytes
    std::vector<uint8_t> dataToSend;

    // Add the integers to the vector (assuming 1 byte per integer)
    dataToSend.push_back(static_cast<uint8_t>(my_number_1));
    dataToSend.push_back(static_cast<uint8_t>(my_number_2));
    dataToSend.push_back(static_cast<uint8_t>(my_number_3));
    dataToSend.push_back(static_cast<uint8_t>(my_number_4));

    // Send the data as raw bytes
    serialPort.Write(std::string(dataToSend.begin(), dataToSend.end()));