def initialize(self):
import adafruit_shtc3
from adafruit_extended_bus import ExtendedI2C
try:
self.sensor = adafruit_shtc3.SHTC3(
ExtendedI2C(self.input_dev.i2c_bus))
except:
self.logger.exception("Setting up sensor")
def __init__(self):
self.i2c = busio.I2C(board.SCL, board.SDA)
self.station_id = "Amsterdam"
self.cpu = CPUTemperature()
self.sht = adafruit_shtc3.SHTC3(self.i2c)
self.lps = adafruit_lps2x.LPS22(self.i2c, 0x5c)
self.tcs = adafruit_tcs34725.TCS34725(self.i2c)
self.tcs.integration_time = 200
self.icm = adafruit_icm20x.ICM20948(self.i2c, 0x68)
self.ads = ADS.ADS1015(self.i2c)
def read(self, SIO):
try:
if self.sens is None:
i2c = busio.I2C(board.SCL, board.SDA,
frequency=100000) # freq slower for pm25
self.sens = adafruit_shtc3.SHTC3(i2c)
self.t = time.time()
self.T, self.RH = self.sens.measurements
except:
traceback.print_exc()
self.sens = None
return
print("SHTC3", self.t, self.T, "C,\t", self.RH, " % Humidity")
SIO.log_readout(self.T_id, self.T, self.t)
SIO.log_readout(self.RH_id, self.RH, self.t)
def pHECT():
global temperature
global pH
global EC
global TDS
global S
global SG
global pHVar
global ECVar
GPIO.setmode(GPIO.BCM)
while True:
now = datetime.now()
now = now.strftime("%Y-%m-%d %H:%M:%S")
try:
pH = Atlas(99, "r")
except:
pass
while pH == "Error 254" or pH == "Error 255" or pH == "?I,pH,1.96":
pH = Atlas(99, "r")
pH = pH.rstrip('\x00')
ECs = Atlas(100, "r")
while ECs == "Error 254" or ECs == "Error 255" or ECs == "?I,EC,2.12":
ECs = Atlas(100, "r")
try:
ECs.split(',')
Ec, TDS, S, SG = ECs.split(',')
EC = float(float(Ec.rstrip('\x00')) / 1.0)
TDS = float(float(TDS.rstrip('\x00')) / 1.0)
S = float(float(S.rstrip('\x00')) * 1000)
SG = float(float(SG.rstrip('\x00')) / 1.0)
except:
pass #ECs == "Error 254"
i2c = busio.I2C(board.SCL, board.SDA)
sht = adafruit_shtc3.SHTC3(i2c)
temperature, rh = sht.measurements
if temperature > 26:
if not GPIO.input(20):
GPIO.output(20, GPIO.HIGH)
LogString = "Fan: temperature: " + str(
temperature) + "C, RH: " + str(rh) + "%, Fan STARTED"
LogString = str(LogString)
syslog.syslog(syslog.LOG_INFO, LogString)
elif temperature < 25:
if GPIO.input(20):
GPIO.output(20, GPIO.LOW)
LogString = "Fan: temperature: " + str(
temperature) + "C, RH: " + str(rh) + "%, Fan STOPPED"
LogString = str(LogString)
syslog.syslog(syslog.LOG_INFO, LogString)
last = dbRead('H2O')
LDate = last[0]
date = datetime.now()
SinceLast = date - LDate
SinceLastSec = SinceLast.seconds
if SinceLastSec > 5:
Farm = mysql.connector.connect(host="192.168.1.14",
user="******",
passwd="a-51d41e",
database="Farm")
H2O = Farm.cursor()
sql = "INSERT INTO Farm.H2O (date,temp,RH,pH,EC,TDS,S,SG) VALUES (%s, %s, %s, %s, %s, %s, %s, %s)"
val = (now, temperature, rh, pH, Ec, TDS, S, SG)
H2O.execute(sql, val)
H2O.close
Farm.commit()
Farm.close
LogString = str("pHECT: temperature: ") + str(temperature) + str(
" ,RH: ") + str(rh) + str("% ,pH: ") + str(pH) + " ,EC: " + str(
EC) + " ,TDS: " + str(TDS) + " ,S: " + str(S) + " ,SG: " + str(
SG)
LogString = str(LogString)
syslog.syslog(syslog.LOG_INFO, LogString)
time.sleep(25)
# SPDX-FileCopyrightText: Copyright (c) 2020 Bryan Siepert for Adafruit Industries
#
# SPDX-License-Identifier: MIT
import time
import busio
import board
import adafruit_shtc3
i2c = busio.I2C(board.SCL, board.SDA)
sht = adafruit_shtc3.SHTC3(i2c)
while True:
temperature, relative_humidity = sht.measurements
print("Temperature: %0.1f C" % temperature)
print("Humidity: %0.1f %%" % relative_humidity)
print("")
time.sleep(1)
import time
import ssl
import json
import alarm
import board
import socketpool
import wifi
import adafruit_minimqtt.adafruit_minimqtt as MQTT
import adafruit_shtc3
PUBLISH_DELAY = 60
MQTT_TOPIC = "state/temp-sensor"
USE_DEEP_SLEEP = True
# Connect to the Sensor
sht = adafruit_shtc3.SHTC3(board.I2C())
# Add a secrets.py to your filesystem that has a dictionary called secrets with "ssid" and
# "password" keys with your WiFi credentials. DO NOT share that file or commit it into Git or other
# source control.
# pylint: disable=no-name-in-module,wrong-import-order
try:
from secrets import secrets
except ImportError:
print("WiFi secrets are kept in secrets.py, please add them there!")
raise
wifi.radio.connect(secrets["ssid"], secrets["password"])
print("Connected to %s!" % secrets["ssid"])
# Create a socket pool
import busio
import board
import adafruit_shtc3
import adafruit_sht31d
import time
"""Encapsulating the sensor readings here"""
i2c = busio.I2C(board.SCL, board.SDA)
topSensor = adafruit_shtc3.SHTC3(i2c)
botSensor = adafruit_sht31d.SHT31D(i2c)
# number of samples to average during calibration
_CALIBRATION_SAMPLES = 15
# amount of seconds between successive calibration sample
_CALIBRATION_TIME = .5
_TOP_SENSOR_CALIBRATION_VAL = 0
_BOT_SENSOR_CALIBRATION_VAL = 0
def c2f(temperature):
# Convert input temperature in C to F
# 9/5C+32
f = float(temperature) * 9 / 5 + 32
# round to hundredths
f = int(100*f + 50) / 100
return f
def tempC():
"""get the temperature from the sensor as C"""
return topSensor.temperature
def __init__(self):
self._shtc3 = adafruit_shtc3.SHTC3(i2c)