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#imports for matplotlib
import matplotlib.pyplot as plt
from matplotlib.animation import FuncAnimation

#Add Phidgets Library
from Phidget22.Phidget import *
from Phidget22.Devices.TemperatureSensor import *

fig, ax = plt.subplots()
size = 100 #modify this for more or less points on graph
xdata = range(0, size) #x-axis values
ydata = [0] * size #y-axis values
ln, = plt.plot(xdata, ydata, 'ro-')

#Create, open, set data interval
temperature = TemperatureSensor()
temperature.setChannel(0)
temperature.openWaitForAttachment(1000)
temperature.setDataInterval(temperature.getMinDataInterval())

def init():
    ax.set(xlabel='samples', ylabel='temperature (°C)',
       title='Getting Started Kit')
    ax.set_xlim(0, size)
    ax.set_ylim(10, 30) #expected range of temperature
    return ln,

def update(i, ydata):
    ydata.append(temperature.getTemperature())
    ydata = ydata[-size:]
    ln.set_ydata(ydata)
    return ln,

ani = FuncAnimation(fig,
                    update,
                    fargs=(ydata,),
                    init_func=init,
                    interval=temperature.getDataInterval(),
                    blit=True)
plt.show()