diff -r 980a27d138f7 -r f81d43b74209 src/SimulatorWindow.cpp
--- a/src/SimulatorWindow.cpp	Thu Mar 14 20:39:34 2019 +0100
+++ b/src/SimulatorWindow.cpp	Thu Mar 14 21:37:43 2019 +0100
@@ -50,6 +50,10 @@
 
 	std::vector<QString> axisLabels = {"X", "Y", "Z"};
 
+	timer = new QTimer(centralwidget);
+	connect(timer, &QTimer::timeout, this, &SimulatorWindow::sendMotionEvent);
+	timer->setInterval(20);
+
 	formLayout->setWidget(f++, QFormLayout::LabelRole, new QLabel("Motion:", centralwidget));
 	for (QString a : axisLabels) {
 		QSlider* slider = createSlider(centralwidget);
@@ -74,6 +78,15 @@
 	connect(centerButton, &QPushButton::clicked, this, &SimulatorWindow::centerAll);
 	formLayout->setWidget(f++, QFormLayout::FieldRole, centerButton);
 
+	
+	formLayout->setWidget(f++, QFormLayout::LabelRole, new QLabel("Options:", centralwidget));
+	periodicButton = new QCheckBox("Periodic updates", centralwidget);
+	connect(periodicButton, &QCheckBox::clicked, [this](bool enabled) {
+		if (enabled) timer->start();
+		else timer->stop();
+	});
+	formLayout->setWidget(f++, QFormLayout::FieldRole, periodicButton);
+
 
 	setCentralWidget(centralwidget);
 }