line1 = "Last Cycle Ended"
line2 = "on: " + dates["endDate"]
line3 = "Temp: " + str(temperature)[:2] + " F"
line4 = "Humidity: " + str(humidity)[:2] + " %"
lcd.postToLCD(line1, line2, line3, line4)
#######################################################################################
#start the infinite loop
#######################################################################################
startTime = time.time()
while 1:
#take a temp measurement with the LCD temp/humidifier sensor
humidity, temperature = dht.humidityAndTempCheck(THSensorLCDPin)
#get the dates for growth cycle
with open("dates.json", "r") as file:
dates = json.load(file)
file.close()
#if the growth cycle is taking place, display this to the LCD screen
if dates["cycleStatus"].lower() == "in use":
LCDLinesDuringGrowCycle(humidity,temperature, dates)
#if the growth cycle is taking place, display this to the LCD screen
elif dates["cycleStatus"].lower() == "waiting for next batch":
LCDLinesNotDuringGrowCycle(humidity,temperature, dates)
import DHT22 as dht
import json
import datetime
#polling from the sensor
THSensorWebsitePin = 23
humidity, temperature = dht.humidityAndTempCheck(THSensorWebsitePin)
#make a time stamp for the data just captured
now = datetime.datetime.now()
#put data and timestamp into object
data = {
"temperature": [temperature],
"humidity": [humidity],
"time": {
"year": [now.year],
"month": [now.month],
"day": [now.day],
"hour": [now.hour],
"minute": [now.minute]
}
}
with open("currentData.json", "w") as outfile:
json.dump(data, outfile)
setpointLowBound = 80
# % relative humidity setpoint
setpointHighBound = 95
delay = 0.25 #delay of loop in seconds
emailRecipients = "just me"
humidMin = 50 #minimum % relative humidity for notifications
#######################################################################################
#Pin setup
#######################################################################################
humidityInputPin = 24
humidityOutputPin = 22
yellowLEDPin = 21 # on if humidity out of range
#take initial measurement
humidity, temperature = DHT22.humidityAndTempCheck(humidityInputPin)
#if the humidity is >= setpoint, wait till it falls below to start the controller
#while humidity >= setpointLowBound:
# print('waiting for the humidity to drop below setpoint for humidity controller to start')
#turn humidifier on
relay.relayToggle(humidityOutputPin, delay)
humidifierOn = True
#if true, humidifier is on, if false, it is off
#######################################################################################
#start the infinite loop
#######################################################################################
startTime = time.time()
