"""

Title : RetroPie-Coin

Author : zzeromin, member of Raspberrypi Village and Tentacle Team

Creation Date: Oct 15, 2017

Cafe : http://cafe.naver.com/raspigamer

Blog : http://rasplay.org, http://forums.rasplay.org/, https://zzeromin.tumblr.com/

Github : https://github.com/rasplay, https://github.com/zzeromin

Thanks to : Team Tentacle

Free and open for all to use. But put credit where credit is due.

"""

import RPi.GPIO as GPIO

import time

# check your SELECT gpio(BCM) pin number at https://pinout.xyz/

# Joysticks connected to GPIOs at https://github.com/recalbox/mk_arcade_joystick_rpi

SELECT = 21 # GPIO Pin Number

SENSOR = 29 # GPIO Pin Number

DELAY = 1

GPIO.setmode(GPIO.BOARD)

GPIO.setup(SENSOR, GPIO.IN)

GPIO.setup(SELECT, GPIO.OUT)

try:

while True:

if GPIO.input(SENSOR) == GPIO.LOW:

if DELAY == 1:

time.sleep(0.5)

GPIO.output(SELECT, GPIO.LOW) # select ON

time.sleep(0.05)

DELAY=0

#print "Coin Detected"

else:

GPIO.output(SELECT, GPIO.LOW) # select ON

else:

DELAY=1

GPIO.output(SELECT, GPIO.HIGH) # select OFF

time.sleep(0.05)

#print "Coin no detected"

except KeyboardInterrupt:

GPIO.stop()