Voice Controllled Lighting System

I always Wondered how Alexa is able to automate the things and not Google Assistant I tried many times to do it but always failed.

But by searching and taking help from google and of course Bolt IoT I made this quick and easy solution. I'm Sure there are many things which need to be automated can be done easily using this way. Just follow each step and you are done.

1: Hardware Setup

Plug the longer end of the LED in the Pin 0 of Bolt WiFi module shorter end to the ground pin (GND), and power on the Bolt WiFi module.

2: Getting the Bolt API Key and Device ID

Login to cloud.boltiot.com and note the ID of your Bolt WiFi Module.

Copy them To Clip bord or save Somewhere.

3: Creating the GPIO Control Command

Since LED is a digital output device, we will need to get a Digital Write command that can be sent to Bolt over the Internet to switch on the LED.

The structure of the command is:

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

• Replace API_KEY with API KEY you Copied.
• In this case Pin Number we used is 0.
• State is HIGH to turn on light.

LOW to TURN off light.

• Replace Device Name with the Device name we copied.

Make sure that you change the API Key to your own API Key and device ID which you got in the previous step.If you have connected the LED to any other pin other then Pin 0 then make a suitable change in the pin no in your code.

4: IFTTT integration via Google Assistant and Webhooks

Go to IFTTT to create a new applet by clicking here

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

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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.

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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

then

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

5.to turn OFF the LED

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.