import time
import RPi.GPIO as GPIO
import tkinter as tk

cnt = 0
sensor_pin = 5
 
GPIO.setmode(GPIO.BCM)
GPIO.setup(sensor_pin, GPIO.IN)

def pulse_count(channel):
    global cnt
    
    cnt += 1

def get_counter():
    global cnt
    
    label2['text'] = '     '
    label2['text'] = str(cnt)
    cnt = 0
    root.after(5000, get_counter)

root = tk.Tk()
root.geometry('300x200+20+100')
root.title('風速計テスト')
label1 = tk.Label(root, text = '風速（カウント）：')
label1.place(x=80, y=80)
label2 = tk.Label(root, text = str(cnt))
label2.place(x=200, y=80)
GPIO.add_event_detect(sensor_pin, GPIO.RISING, callback=pulse_count, bouncetime=10)
get_counter()
root.mainloop()