Published August 14, 2020 © GPL3+

Automated Street Light

An Automated Street Light, That turns on when it starts getting dark and turns itself off when there's plenty of Sunlight

AdvancedFull instructions provided2 hours338

Things used in this project

Hardware components

Bolt IoT Bolt WiFi Module

LDR, 5 Mohm

LED (generic)

USB-A to Micro-USB Cable

Resistor 10k ohm

Jumper wires (generic)

Solderless Breadboard Half Size

Software apps and online services

Twilio SMS Messaging API

Story

Most of the street lights are ON even when the there's plenty of sunlight, Which made me think is it possible for me to design an Automated street light using Iot?

Therefore I thought a lot and I decided to make automated street light.

The automated street light automatically switches ON lights when the sunlight goes below the visible region of our eyes. (e.g in evening after Sunset). It automatically switches OFF lights when Sunlight fall on it. We do this by using a sensor called LDR (Light Dependent Resistor) which senses the light just like our eyes. So when the light foes below a threshold value, An Led(indicator for street light) is turned on and simultaneously an SMS is sent to the user mobile stating Street lights are turned on. When Light falls on LDR, and when the value ges beyond Threshold value, the LED is turned off.

SMS sent by TWILO to my phone

Code

import conf
from boltiot import Sms, Bolt
import json, time

minimum_value = 200
flag=0

mybolt = Bolt(conf.API_KEY, conf.DEVICE_ID)
sms = Sms(conf.SID, conf.AUTH_TOKEN, conf.TO_NUMBER, conf.FROM_NUMBER)

while True:
    print ("Reading sensor value")
    response = mybolt.analogRead('A0')
    data = json.loads(response)
    print("Sensor value is: " + str(data['value']))
    try:
        sensor_value = int(data['value'])
        if sensor_value < minimum_value:
            if flag is 0:
                print("Making request to Twilio to send a SMS")
                response = sms.send_sms("Turning on street lights")
                mybolt.digitalWrite('0','HIGH')
                print("Response received from Twilio is: " + str(response))
                print("Status of SMS at Twilio is :" + str(response.status))
                flag=1
        else:
            mybolt.digitalWrite('0','LOW')
            flag=0
    except Exception as e:
        print ("Error occured: Below are the details")
        print (e)
    time.sleep(900)

Credits

denvir gama

1 project • 0 followers