def read_temp_c():
lines = read_temp_raw()
while lines[0].strip()[-3:] != 'YES':
time.sleep(0.2)
lines = read_temp_raw()
equals_pos = lines[1].find('t=')
if equals_pos != -1:
temp_string = lines[1][equals_pos+2:]
temp_c = int(temp_string) / 1000.0
temp_c = str(round(temp_c, 1
return temp_c
#FAHRENHEIT CALCULATION
def read_temp_f():
lines = read_temp_raw()
while lines[0].strip()[-3:] != 'YES':
time.sleep(0.2)
lines = read_temp_raw()
equals_pos = lines[1].find('t=')
if equals_pos != -1:
temp_string = lines[1][equals_pos+2:]
temp_f = (int(temp_string) / 1000.0) * 9.0 / 5.0 + 32.0
temp_f = str(round(temp_f, 1))
return temp_f
while True:
lcd.string("Temp: " + read_temp_c() + chr(223) + "C",LCD_LINE_1)
lcd.string(" " + read_temp_f() + chr(223) + "F",LCD_LINE_2)
import time
import lcdlib as lcd
LCD_LINE_1 = 0x80 # LCD RAM address for the 1st line
LCD_LINE_2 = 0xC0 # LCD RAM address for the 2nd line
# Initialise display
lcd.init(25, 24, 23, 17, 18, 22, 16)
while True:
# Send some test
lcd.string("Rasbperry Pi", LCD_LINE_1)
lcd.string("16x2 LCD Test", LCD_LINE_2)
time.sleep(3) # 3 second delay
# Send some text
lcd.string("1234567890123456", LCD_LINE_1)
lcd.string("abcdefghijklmnop", LCD_LINE_2)
time.sleep(3) # 3 second delay
) # Retrieve latest quote data with the url and parameters specified.
data = json.loads(
response.text
) # Convert the json response data into a python dictionary.
price = int(data['data']['1']['quote']['USD']
['price']) # Retrieve current BTC price.
price = str("{:,}".format(price)) # Convert BTC price into a string.
percent_change = (
data['data']['1']['quote']['USD']['percent_change_24h']
) # Retrieve 24 hr percentage change data.
percent_change_str = str("{:.2f}".format(
percent_change)) # Convert perctage change into a string.
# LCD outputs.
lcd.string(
"BTC: $" + price,
LCD_LINE_1) # Output current BTC price on first row of the LCD.
sleep(0.2)
lcd.string(
"24hr del: " + percent_change_str + "%", LCD_LINE_2
) # Output 24hr price percentage change on the second row of the LCD.
# Turn on amber LED if 24hr price percentage change is positive. Or
# turn on red LED if the percentage change is negative.
if percent_change > 0:
GPIO.output(amberLedPin, GPIO.HIGH)
else:
GPIO.output(redLedPin, GPIO.HIGH)
# Add delay to request an update every minute.
sleep(60)
i2c = io.I2C(board.SCL, board.SDA, frequency=100000)
mlx = adafruit_mlx90614.MLX90614(i2c)
GPIO.setwarnings(False)
#Select GPIO mode
GPIO.setmode(GPIO.BCM)
#Set buzzer - pin 23 as output
buzzer=17
GPIO.setup(buzzer,GPIO.OUT)
#Run forever loop
while True:
url='https://obscure-cliffs-43212.herokuapp.com/pythontoExpress'
headers={}
lcd.string("ENTER BARCODE :",LCD_LINE_1)
barcode = input("enter BArcode:")
lcd.string(barcode,LCD_LINE_1)
sleep(1)
headers['barcode']=barcode
GPIO.output(buzzer,GPIO.HIGH)
sleep(0.5)
GPIO.output(buzzer,GPIO.LOW)
i = 50
temp = "0"
while i >= 0:
distance = measure_average()
print( distance)
if distance < 10:
dist_3 = distance_3()
print(
"Volume 3:",
round((100 - ((dist_3 - min_dist) / (max_dist - min_dist) * 100)), 0),
"%")
n3 = round((100 - ((dist_3 - min_dist) / (max_dist - min_dist) * 100)), 0)
vol_3 = str(int(n3)) + '%'
time.sleep(1)
print("ready to send data")
msg = {"sensor1": vol_1, "sensor2": vol_2, "sensor3": vol_3}
# convert the data to JSON
data = json.dumps(msg)
print(str(data))
client.publish(topic, str(data))
#the line to be displayed on LCD
lcd.set_line(LCD_LINE_1)
lcd.string(vol_1 + ' ' + vol_2 + ' ' + vol_3, LCD_LINE_1)
#test if there is changements every 3 min
time.sleep(60)
#clear the LCD
lcd.clear()
time.sleep(1)
#//////////////////////////#
#restart all IN/OUT put
GPIO.cleanup()