import RPi.GPIO as GPIO
import time
from ADCDevice import *
ledPin = 11 # define ledPin
adc = ADCDevice() # Define an ADCDevice class object
def setup():
global adc
if(adc.detectI2C(0x48)): # Detect the pcf8591.
adc = PCF8591()
elif(adc.detectI2C(0x4b)): # Detect the ads7830
adc = ADS7830()
else:
print("No correct I2C address found, \n"
"Please use command 'i2cdetect -y 1' to check the I2C address! \n"
"Program Exit. \n");
exit(-1)
global p
GPIO.setmode(GPIO.BOARD)
GPIO.setup(ledPin,GPIO.OUT) # set ledPin to OUTPUT mode
GPIO.output(ledPin,GPIO.LOW)
p = GPIO.PWM(ledPin,1000) # set PWM Frequence to 1kHz
p.start(0)
def loop():
while True:
value = adc.analogRead(0) # read the ADC value of channel 0
p.ChangeDutyCycle(value*100/255)
voltage = value / 255.0 * 3.3
from time import *
from RPi import GPIO
from ADCDevice import *
adc = ADCDevice()
pwmPin = 11
def setup():
global adc
if adc.detectI2C(0x48):
adc = PCF8591()
elif adc.detectI2C(0x4b):
adc = ADS7830()
else:
print(
"No correct I2C address found \n"
"Please use command 'i2cdetect -y 1' to check the I2C address! \n"
"Programm exit. \n")
exit(-1)
GPIO.setmode(GPIO.BOARD)
GPIO.setup(pwmPin, GPIO.OUT)
global f
f = GPIO.PWM(pwmPin, 1000)
f.start(0)
def loop():
while True:
value = adc.analogRead(0)
voltage = value / 255.0 * 3.3
import sys
import Adafruit_DHT as dht
import time
from ADCDevice import *
from urllib.request import urlopen
from time import sleep
adc = ADCDevice()
# Enter Your API key here
myAPI = '5KJ5TVQRF5NFSEXL'
# URL where we will send the data, Don't change it
baseURL = 'https://api.thingspeak.com/update?api_key=%s' % myAPI
def DHT22_data():
# Reading from DHT22 and storing the temperature and humidity
humi, temp = dht.read_retry(dht.DHT22, 4)
return humi, temp
def setup():
global adc
if (adc.detectI2C(0x48)): # Detect the pcf8591.
adc = PCF8591()
elif (adc.detectI2C(0x4b)): # Detect the ads7830
adc = ADS7830()
else:
print(
"No correct I2C address found, \n"
"Please use command 'i2cdetect -y 1' to check the I2C address! \n"
import sys
import time
from ADCDevice import *
from time import sleep
adc = ADCDevice()
def DHT22_data():
# Reading from DHT22 and storing the temperature and humidity
humi, temp = dht.read_retry(dht.DHT22, 4)
return humi, temp
def setup():
global adc
if (adc.detectI2C(0x4b)): # Detect the ads7830
adc = ADS7830()
else:
print(
"No correct I2C address found, \n"
"Please use command 'i2cdetect -y 1' to check the I2C address! \n"
"Program Exit. \n")
exit(-1)
setup()
while True:
try:
if (adc is not None):