# LED LIGHT SW test -2024.1.18-

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

# I/O (GPIO pin)
LIGHT = 20

# initialize GPIO
GPIO.setwarnings(False)
GPIO.setmode(GPIO.BCM)

# init：LIGHT OFF
GPIO.setup(LIGHT, GPIO.OUT, initial=GPIO.LOW)

root = tk.Tk()
root.geometry('300x140+100+50')
root.title('投光スイッチ')
tx = tk.StringVar()
tx.set('LIGHT OFF')
label = tk.Label(root, textvariable = tx)
label.place(x=160, y=55)
    
def act():
    tx.set('LIGHT ON')
    GPIO.output(LIGHT, GPIO.HIGH)
    t = th.Timer(5, act2)
    t.start()
    
def act2():
    GPIO.output(LIGHT, GPIO.LOW)
    tx.set('LIGHT OFF')

button = tk.Button(root, text = 'SW', command = act)
button.place(x=100, y=50)

root.mainloop()