Thatās odd - it seems to be a problem on Core-Electronicsā website. Iāll try to paste the code into this commentā¦
# Bin Minder v1.0
# MIT License
#
# Copyright (c) 2018 Amos Bannister
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
import RPi.GPIO as GPIO
import time
import datetime
# Set a known date for recycling day
# (we assume recycling one week, green waste the next)
RECYCLE_START = datetime.datetime(2018, 6, 27) # Our recycle day is on a Wednesday
GARBAGE_DAY = RECYCLE_START.weekday()
# Set the pin numbers for each LED
RED = 16
YELLOW = 20
GREEN = 21
# Set the pin number for the button...
BUTTON = 12
def setup():
GPIO.setmode(GPIO.BCM)
GPIO.setwarnings(False)
set_GPIO_OUT()
all_off()
set_BUTTON_IN()
def set_GPIO_OUT():
GPIO.setup([RED, YELLOW, GREEN], GPIO.OUT)
def switch_on(colours):
set_GPIO_OUT()
GPIO.output(colours, GPIO.HIGH)
def switch_off(colours):
set_GPIO_OUT()
GPIO.output(colours, GPIO.LOW)
def all_off():
set_GPIO_OUT()
switch_off([RED, YELLOW, GREEN])
def set_BUTTON_IN():
GPIO.setup(BUTTON, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.add_event_detect(BUTTON, GPIO.FALLING, callback=button_clicked,
bouncetime=200)
def flash_LEDs(colour, flash_rate):
switch_on([RED, colour])
if flash_rate > 0:
for _ in xrange(flash_rate):
time.sleep(1.0 / flash_rate)
switch_off([RED, colour])
time.sleep(1.0 / flash_rate)
switch_on([RED, colour])
else:
time.sleep(2)
time.sleep(2)
all_off()
def recycling_week(flash_rate):
print "Recycling Week"
flash_LEDs(YELLOW, flash_rate)
def greenwaste_week(flash_rate):
print "Green waste Week"
flash_LEDs(GREEN, flash_rate)
def button_clicked(pin_num):
# First let's stop checking for the button press...
# We'll add the event detect back in after checking...
GPIO.remove_event_detect(BUTTON)
check_bin_day()
# time.sleep(0.01) # Sleep a lil to avoid detecting phantom button presses...
set_BUTTON_IN()
def check_bin_day():
# Let's find out if tonight is bin night...
today = datetime.datetime.today()
print "Is it bin day today?"
today_weekday = today.weekday()
flash_rate = 0
if (today_weekday == GARBAGE_DAY):
flash_rate = 10
print "Your bins should have gone out this morning!"
if ((today_weekday + 1) % 7 == GARBAGE_DAY):
flash_rate = 5
print "Put your bins out tonight!"
weeks_since_start = ((today - datetime.timedelta(days=1)) - RECYCLE_START).days / 7
if ((weeks_since_start % 2) == 1):
recycling_week(flash_rate)
else:
greenwaste_week(flash_rate)
# Now make sure all LEDs are off
all_off()
setup()
print "Press the button to check what bins go out this week!"
while True:
time.sleep(0.1)
