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Here is the Python code for the PyQt Gui...¶
from PyQt4.QtGui import * from PyQt4.QtCore import * import sys import serial def printNumber(number): print number ser = serial.Serial('COM5',9600) #state which port the KL46Z is connected to and the baud rate ser.write(unichr(number).encode()) #encode number from slider and send the encoded character to KL46Z if __name__=="__main__": app=QApplication(sys.argv) slider=QSlider(Qt.Horizontal) slider.setRange(1,127) slider.setFixedWidth(400) slider.setSliderPosition(64) #create a QApplication and QSlider QObject.connect(slider,SIGNAL("valueChanged(int)"),printNumber) #call the printNumber funciton each time the value on the slider changes slider.show() #start the loop sys.exit(app.exec_())