hydroponic project august 2019 - iteration 1 complete package

increment_relay_count.py

#import RPi.GPIO as GPIO # Import Raspberry Pi GPIO library
#from time import sleep # Import the sleep function from the time module
import os
import csv


r = csv.reader(open('/home/pi/Desktop/hydroponic_project/relay_running_count.csv')) # Here your csv file
lines = list(r)
original = lines[0][0]
print(lines[0])
original = int(original) + 1
lines[0][0] = str(original)

writer = csv.writer(open('relay_running_count.csv', 'w+'))
writer.writerows(lines)

relay.py

import RPi.GPIO as GPIO # Import Raspberry Pi GPIO library
from time import sleep # Import the sleep function from the time module
import os
GPIO.setwarnings(False) # Ignore warning for now
GPIO.setmode(GPIO.BOARD) # Use physical pin numbering
GPIO.setup(8, GPIO.OUT, initial=GPIO.LOW) # Set pin 8 to be an output pin and set initial value to low (off)
while True: # Run forever
 os.system('python /home/pi/Desktop/hydroponic_project/increment_relay_count.py')
 GPIO.output(8, GPIO.HIGH) # Turn on
# os.system('python increment_relay_count.py')
 sleep(25) # Switch on water pump for 30 seconds
 GPIO.output(8, GPIO.LOW) # Turn off
 sleep(18000) # Sleep for 5 hours 

run_led_display.py

import csv
import re
import time
import argparse

from luma.led_matrix.device import max7219
from luma.core.interface.serial import spi, noop
from luma.core.render import canvas
from luma.core.virtual import viewport
from luma.core.legacy import text, show_message
from luma.core.legacy.font import proportional, CP437_FONT, TINY_FONT, SINCLAIR_FONT, LCD_FONT


def demo(n, block_orientation, rotate):
    # create matrix device
    serial = spi(port=0, device=0, gpio=noop())
    device = max7219(serial, block_orientation=-90, rotate=rotate or 0, width=32, height=8)
    print("Created device")

    # start demo
#    msg = "Welcome to Uniqlo!"
#    print(msg)
#    show_message(device, msg, fill="white", font=proportional(CP437_FONT))
#    time.sleep(1)


    r = csv.reader(open('/home/pi/Desktop/hydroponic_project/relay_running_count.csv')) # Here your csv file
    lines = list(r)
    count = lines[0][0]
    msg = "Water pump running count: " + count
    print(msg)
    show_message(device, msg, fill="white", font=proportional(CP437_FONT))
    time.sleep(1)

if __name__ == "__main__":
    parser = argparse.ArgumentParser(description='matrix_demo arguments',
        formatter_class=argparse.ArgumentDefaultsHelpFormatter)

    parser.add_argument('--cascaded', '-n', type=int, default=1, help='Number of cascaded MAX7219 LED matrices')
    parser.add_argument('--block-orientation', type=int, default=0, choices=[0, 90, -90], help='Corrects block orientation when wired vertically')
    parser.add_argument('--rotate', type=int, default=0, choices=[0, 1, 2, 3], help='Rotate display 0=0  , 1=90  , 2=180  , 3=270  ')

    args = parser.parse_args()


demo(args.cascaded, args.block_orientation, args.rotate)

switch.py

import RPi.GPIO as GPIO
import time
import os
import csv

GPIO.setmode(GPIO.BCM)


#pin bawah skali, seblah ground
GPIO.setup(21, GPIO.IN, pull_up_down=GPIO.PUD_UP)

while True:

    input_state = GPIO.input(21)
    if input_state == False:
        print("button pressed")
        os.system('python /home/pi/Desktop/hydroponic_project/run_led_display.py')
        time.sleep(0.2)

written on 11 august 2019