Other projects • Re: Arcade Ticket Payout test

Code:

import RPi.GPIO as GPIOimport timeBUTTON_PIN = 16button_counts = 0GPIO.setmode(GPIO.BCM)GPIO.setwarnings(False)LED_PIN = 17 # Use GPIO pin 17GPIO.setup(LED_PIN, GPIO.OUT)GPIO.setup(BUTTON_PIN, GPIO.IN, pull_up_down=GPIO.PUD_UP)prev_button_state = GPIO.input(BUTTON_PIN)max = 3 # use 15 heretry:    while True:        GPIO.output(LED_PIN, GPIO.HIGH)        button_state = GPIO.input(BUTTON_PIN)        if button_state != prev_button_state:            if button_state == GPIO.LOW:                print("The button is pressed!")                button_counts = button_counts + 1                print ("count=",button_counts)            else:                print("The button is released!")            prev_button_state = button_state        if button_counts == max:            print ("turn off LED as max count reached")            GPIO.output(LED_PIN, GPIO.LOW)            breakexcept KeyboardInterrupt:    print ("\nExiting the program.")    GPIO.cleanup() #Clean up the GPIO