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Connecting to serial port (com port) over network

(Serial port or com port? - Serial ports are often refered as COM ports. It is the same to be short. You can read abut it in the Wiki article )

	<?php

	public function __construct( $param )
	{
	parent::__construct();

	$this->form = new BootstrapFormBuilder(self::$formName);

	$this->form->setFormTitle("<i class=\"fas fa-chart-pie\"></i> FLUXO DE CAIXA);

	<?php

	public function onDownload($param = null)
	{
	try
	{
	$arquivo = $param['arquivo']; # app/output/1/contrato_aluguel.pdf

	$extensao = pathinfo($arquivo, PATHINFO_EXTENSION);
	$nome = pathinfo($arquivo, PATHINFO_FILENAME);

	<?php

	public function onDownloadZip($param = null)
	{
	try
	{
	$arquivo = $param['arquivo'];

	if (file_exists($arquivo))
	{

	<?php

	$dias = cal_days_in_month(CAL_GREGORIAN, 8, 2023); # 31 DIAS

	echo "EXISTEM {$dias} DIAS DO MÊS DE AGOSTO DE 2023";

	/*
	cal_days_in_month($calendar, $month, $year)

	calendar

	<?php

	$column_progresso->setTransformer(function($value, $object, $row, $cell = null, $last_row = null)
	{
	$bar = new TProgressBar;
	$bar->setMask("<b>{value}</b>%");
	$bar->setValue($value);

	if ($value == 100) {
	$bar->setClass("success");

	<?php

	public function onSave($param = null)
	{
	try
	{
	TTransaction::open(self::$database);


	$itens = $this->fieldList_itensVenda->getPostData();