from PyQt5.QtWidgets import *
import sys
import time
from winsound import Beep

class Window(QWidget):
    def __init__(self):
        QWidget.__init__(self)
        layout = QGridLayout()
        self.setLayout(layout)
        self.dial = QDial()
        self.dial.setGeometry(140, 20, 200, 200)
        self.dial.setMinimum(0)
        self.dial.setMaximum(400)
        self.dial.setValue(40)
        self.dial.valueChanged.connect(self.sliderMoved)
        layout.addWidget(self.dial)

        button = QPushButton('Play/Pause', self)
        button.clicked.connect(self.vajutus)

    def sliderMoved(self):
        print("Dial value = %i" % (self.dial.value()))

    def vajutus(self):
        print(int(self.dial.value()))
        sleep = 60.0 / int(self.dial.value())
        counter = 0
        while True:
            counter += 1
            if counter % 120:
                Beep(440, 100)
                print('tick')
            else:
                Beep(440, 100)
                print('TICK')
            time.sleep(sleep)



app = QApplication(sys.argv)
screen = Window()
screen.show()
sys.exit(app.exec_())