i am doing a project of monitoring temperature which includes buzzer…when the temperature goes high the buzzer beeps… i am facing a issue in the output of the code …
This is the output IMG-20201023-WA0003|230x500
Code is
import conf, json, time, math, statistics
from boltiot import Sms, Bolt
def compute_bounds(history_data,frame_size,factor):
if len(history_data)<frame_size :
return None
else:
del history_data[0:len(history_data)-frame_size]
Mn=statistics.mean(history_data)
Variance=0
for data in history_data :
Variance += math.pow((data-Mn),2)
Zn = factor * math.sqrt(Variance / frame_size)
High_bound = history_data[frame_size-1]+Zn
Low_bound = history_data[frame_size-1]-Zn
return [High_bound,Low_bound]
mybolt = Bolt(conf.API_KEY, conf.DEVICE_ID)
sms = Sms(conf.SSID, conf.AUTH_TOKEN, conf.TO_NUMBER, conf.FROM_NUMBER)
history_data=[]
min_limit = 25
max_limit = 30
while True:
response = mybolt.analogRead('A0')
data = json.loads(response)
if data['success'] != 1:
print("There was an error while retriving the data.")
print("This is the error:"+data['value'])
time.sleep(20)
continue
temp1 = int(data['value'])
temp1 = (100*temp1)/1024
print ("This is the value "+str(temp1))
try:
sensor_value = temp1
except e:
print("There was an error while parsing the response: ",e)
continue
bound = compute_bounds(history_data,conf.FRAME_SIZE,conf.MUL_FACTOR)
if not bound:
required_data_count=conf.FRAME_SIZE-len(history_data)
print("Not enough data to compute Z-score. Need ",required_data_count," more data points")
history_data.append(temp1)
time.sleep(20)
continue
while True:
try:
response = mybolt.analogRead('A0')
data = json.loads(response)
if data['success'] != 1:
print("There was an error while retriving the data.")
print("This is the error:"+data['value'])
time.sleep(20)
continue
else:
temp1 = int(data['value'])
temp1 = (100*temp1)/1024
print ("This is the value "+str(temp1))
if sensor_value > bound[0] :
print ("The temperature level increased suddenly!! \n Something is Burning up...\n Sending an SMS.")
response = sms.send_sms("Alert!!! \n Chances of fire in the room... \n temperature detected " + str(sensor_value))
print("Response received from Twilio is: " + str(response))
print("Status of SMS at Twilio is :" + str(response.status))
history_data.append(sensor_value);
if sensor_value > max_limit:
print("temperature is High")
print ("This is the value "+str(sensor_value))
print("Turning on the buzzer \n or \n Already turned on")
response1 = mybolt.digitalWrite('1', 'HIGH')
print(response1)
elif sensor_value < max_limit and sensor_value > min_limit:
print("temperature is normal")
print ("This is the value "+str(sensor_value))
print("Turning off the buzzer \n or \n Already turned off")
response1 = mybolt.digitalWrite('1', 'LOW')
print(response1)
else:
print("It's too cold here!!! Get some warm Cloths... \n The Current temperature sensor value is " +str(sensor_value))
except Exception as e:
print ("Error",e)
time.sleep(20)
Circuit diagram