Turn on and off lights with google assistant

IoT has also been implemented in home automation with the help of Google Assistant.

The function of this project to control our home lights with voice commands.

This project gives us freedom to control home automation from anywhere in the home. The only things we need is phone and a internet.

Step 1: Hardware Setup

Take the LED and Bolt WiFi Module.The two legs of the LED one is +ve (long) and second is -ve (Shot). Take +ve leg and insert it into pin 0 and the other leg -ve and insert it into ground pin (GND) of Bolt.

Using USB Cable you can connect Bolt WiFi module into online by laptop or Switch board

Step 2: Bolt API Key and Device ID

Log in to your Bolt Cloud account. In the dashboard, you can find your device ID.

On the left side of the screen you can find API tab.Click on that and copy your API key.

Save it for further use

Step 3: GPIO Control Command

To control your LED with your voice, you need to set up some commands.

https://cloud.boltiot.com/remote/API_KEY/digitalWrite?pin=PIN_NUMBER&state=HIGH/LOW&deviceName=DEVICE_ID

The command given above is used to control your device.

Edit this command using your API_KEY, pin, HIGH/LOW and your DEVICE_ID.

API_KEY :- Replace the API_KEY by your API_KEY which you copy from could api tab.

PIN_NUMBER :- Replace the pin number by the pin you connected to LED.

HIGH/LOW:- High will turn lights ON and Low will turn lights off.

DEVICE_ID:- Replace the DEVICE_ID by ID copy from dashboard.

Make separate command for lights on and off in IFTTT

Step 4: IFTTT integration with Google Assistant and Webhooks

Go to IFTTT to create a new applet

Login using your Gmail account. Make sure you use same account which you'll be using on your mobile to interact with Google Assistant.

Click on '+This' to create the trigger.

Choose Google Assistant -> Say Specific Phrase

1 / 2

Type the phrase you want to trigger the action. Make sure to specify the trigger command in different ways for example I used

a) Turn the lights on

b) Turn on the lights

c) Lights on

Click on 'Create Trigger'

Click on '+That'

Select Webhooks and then Make a web request.

1 / 2

Enter the API URL you got in the previous Step. Make sure that you change the API Key and device name.

Method will be GET

Content type will be Application/json

Here is how your screen will look like

Click on 'Create Action' and then Click on 'Finish'

Steps to turn OFF the LED bulb

Now do the same process for a command to switch of the LED. Here you will change the state to LOW i.e. state=LOW in your code. Here is a sample of the code. Also, add a suitable phrase to switch off the LED.

https://cloud.boltiot.com/remote/API_KEY/digitalWrite?pin=0&state=LOW&deviceName=BOLT#####

Step 5: If you want to edit your applet turn off and turn on your applet once.If you

do so configuring your applet page appears.After configuring dont forget

to click on the save button.

CONFIGURING APPLET

SWITCHING OFF THE LIGHTS

For turning off the lights follow the steps given for "turning on the lights" .The only thing you have to do is to set the state to LOW in the URL section available in the "make the web request" window.

TURNING OFF THE LIGHTS

TURNING OFF THE LIGHTS

Hoooooooollaaaa!!!!! you are done creating your project :-)

Now its time to get your hands on to the google assistant .

Now wake your Android phone by saying "OK Google" and say the phrase you had set while creating the trigger.

RESULT:

Now you can control your lights via google assistant from anywhere!!!!!!!

OUTPUT

If you want you can change as "google" as "jarvis turn on the light" by removing ok google