This solution shows you how to sync Smart Home Hub to Amazon Alexa and/or Google Assistant to enable voice to control your connected devices. It forms part of a broader guide on managing and using Smart Home Hub which can be found here.     

a.

Amazon Alexa

Smart Home Hub works with the Amazon Alexa app and certified Amazon Alexa devices. Alexa can be used to control light bulbs, on/off switches, dimmer switches, thermostats, locks, and Scenes configured with Smart Home Hub. Alexa can also check the status of motion and contact sensors. 

Note: For security reasons, Alexa will only support Scenes with lighting, switch, and thermostat devices.

a.1. Connect Amazon Alexa with Smart Home Hub 

Smart Home Hub and Alexa can be linked through either the SmartThings app or the Amazon Alexa app. You can find the steps for each below.   

Steps

1. Change to Menu 
2. Tap Voice Assistant
   
3. Tap Amazon Alexa
4. You will automatically be directed to the Amazon App 
5. Tap Enable to use for Smart Home Hub 
6. Tap Authorize 
7. Once authorized, the following message appears: “SmartThings and Alexa are linked.”
8. Tap Done to close the window and begin device discovery of all devices that are already paired to Smart Home Hub.

a.2. Discover devices with Amazon Alexa

After you have connected Amazon Alexa to Smart Home Hub, any new devices paired/connected to Smart Home Hub will be automatically discovered. If not, pleasemust ask Alexa to discover new devices.

Steps

1. Use voice command to your Echo, "Alexa, discover devices"
2. Alexa will respond with "Starting discovery...", and when finished Alexa will notify you if she has found any new devices or if it could not.
   

a.3. Voice commands to Amazon Alexa

Now you’re done with setup and ready to use Alexa’s hands-free voice control for your Smart Home Hub devices. The general format for voice control will typically be "Alexa, (COMMAND) (DEVICE NAME)".

Try these voice commands:

• “Alexa, turn on/off the bedroom light.”
• “Alexa, dim/brighten the kitchen light.”
• “Alexa, set the bedroom light to 10.” (Brightness can be modified on a scale of 0 - 100.)
• “Alexa, turn the patio lights to blue.”
• “Alexa, is the bedroom window open?”
• “Alexa, turn the desk light to reading.”
• “Alexa, set the kitchen light to soft white.”
• “Alexa, raise/lower kitchen thermostat by 10 degrees.”
• “Alexa, set kitchen thermostat to 70 degrees.”
• “Alexa, what is the temperature in my home?”
• “Alexa, what is my thermostat set to?”
• “Alexa, is the front door open?”
• “Alexa, lock my front door.”
• “Alexa, is the back door locked?”
• “Alexa, turn on theater mode.” (Scenes can be executed just like turning on a switch.)

If you mess up in any point of your phrase, just state "Nevermind" and re-say your command again.

• Within the SmartThings App, list out all available voice commands for both Alexa. To access this, use the following steps: 
  1. Open the App.
  2. Click on Menu. 
  3. Click on “Voice Assistants.”
  4. Click on “Learn more” near the bottom next Amazon Alexa. 
  5. On the following page, your compatible devices and their available voice commands are listed. As well, you can verify the available command of any supported device through Amazon Alexa. 

a.4. Disconnect Smart Home Hub from Amazon Alexa

Uninstalling Amazon Alexa from the Smart Home Hub app will remove the connection between Alexa and Smart Home Hub; your Amazon Alexa device will no longer accept voice commands for Smart Home Hub devices or Scenes. 

Steps

1. Open app, "SmartThings".
2. From the Home screen, tap menu ()
3. Tap Settings
4. Tap Connected services
5. Tap Amazon Alexa
6. Tap Uninstall
7. Tap Delete
8. Confirm removal

b.
Google Assistant

The Google Assistant is a voice-activated assistant available on the Google Home speaker and all Google Android devices. With voice control through Google Assistant, you can control lighting, plugs, thermostats, and Scenes.

Google Assistant can also tell you the current state of door/window sensors and temperature sensors, so you can make sure your home is safe and secure.

Note: For security reasons, Google Assistant will only support Scenes with lighting, switch, and thermostat (US Only) devices. 

b.1. Connect Google Assistant with Smart Home Hub 

Smart Home Hub and Google Assistant can be linked through either the Smart Home Hub app or the Google Assistant app.  

Steps

1. Change to Menu 
2. Tap Voice Assistant
3. Tap Google Assistant
4. Read the instructions listed and tap Open Google Assistant 
   • You will automatically be directed to the Google Assistant app
5. Tap Plus (+) icon upper left
6. Tap Device Setting.
7. Tap "With Goolgle compatible"
8. Select SmartThings from the list (Use the magnifying glass to quickly search the list)
9. Tap Authorize 
   • All devices and Scenes from your Locations will be authorized
10. You can assign your devices to rooms, or tap Done and Got it

All new devices connected/paired to Smart Home Hub should automatically appear in Google Home.

b.2. Assign your devices to rooms using Google Home app

By assigning your Smart Home Hub devices to a room with Google Home Control, you can control multiple lights as a group. First, add rooms in Google Home Control and then assign devices to your rooms.

Note: Rooms set up in Google Home Control are completely separate from the Rooms in the Smart Home Hub app. The Google Assistant will not recognize Smart Home Hub Rooms, and you will need to assign your devices to rooms within Google Home Control in order to control them by room with the Google Assistant. Also, Scenes cannot be activated through a command for a Room, so we do not recommend adding Scenes to Rooms.

Steps

1. Open the Google Home app and tap menu ()
2. Tap Home control
3. Tap Rooms
4. Tap the Plus icon (+) in the bottom right
5. Select a room to add 
   • To add a room that’s not listed, tap Custom Room at the bottom
6. Tap Done
7. Tap the Devices tab
8. Select a device you want to assign to a room
9. Tap Room
10. Select the room you would like to assign the device to
11. Tap the back arrow and repeat the process from step 2 to add more rooms and assign more devices to new rooms

b.3. Voice commands to Google Assistant

Now you’re done with setup and ready to use Google Assistant hands-free voice control for your Smart Home Hub devices. The general format for voice control will typically be "Ok Google, (COMMAND) (DEVICE NAME/ROOM)".

General phrase:

• “Ok Google, turn on/off all lights.”
• “Ok Google, turn on/off all switches.”
• “Ok Google, turn on/off everything in the kitchen.”
• “Ok Google, dim/brighten the lights in the living room.” (This will adjust the brightness by 20%)
• “Ok Google, set the bedroom light to 10%.” (Brightness can be modified on a scale of 0-100%.)
• “Ok Google, dim/brighten the bathroom light by 50%.”
• “Ok Google, turn lights in the game room green.”
• “Ok Google, turn on/off everything.”
• “Ok Google, is the patio light on?”
• “Ok Google, is the children’s light off?”

Scene phrases:

• “Ok Google, run Good Morning.”
• “Ok Google, activate Movie Time.”

Thermostat phrases:

• “Ok Google, set the living room thermostat to 70.”
• “Ok Google, turn the thermostat up/down 5 degrees.”
• “Ok Google, make it warmer/cooler.” (This will adjust the temperature by 2 degrees.)
• “Ok Google, turn on the heat/cooling.” (This will change the mode and/or turn the thermostat on)
• “Ok Google, turn thermostat to heat-cool mode.”
• “Ok Google, turn off the thermostat.”
• “Ok Google, what’s the temperature inside?”
• “Ok Google, what’s the thermostat set to?”

Sensor phrases:

• “Ok Google, is my front door open?”
• “Ok Google, is my bedroom window open?”
• "Ok Google, what temperature is the kitchen motion sensor?"
• "Ok Google, what is the temperature of the back door?"

• Within the SmartThings App, list out all available voice commands for both Google and Alexa. To access this, use the following steps: 
  1. Open the App.
  2. Click on Menu. 
  3. Click on “Voice Assistants.”
  4. Click on “Learn more” near the bottom next Google. 
  5. On the following page, your compatible devices and their available voice commands are listed. As well, you can verify the available command of any supported device through Google Assistant. 

b.4. Disconnect Smart Home Hub from Google Assistant

To properly disconnect Smart Home Hub from the Google Assistant, you need to both unlink your SmartThings account from either the Google Assistant or Google Home app and delete the Google SmartApp in the SmartThings app.

Note: If only one of the above is completed, your Google device will no longer accept voice commands for Smart Home Hub devices and cannot be reconnected until completely disconnected.

To completely remove Smart Home Hub from the Google Assistant, all shared users must also unlink Smart Home Hub from their Google account.

Remove Smart Home Hub with Home App

1. Tap Settings
2. Scroll down and select Compatible with Google devices.
3. Tap SmartThings
4. Tap Unlink Account
5. Tap Unlink to confirm

Remove Smart Home Hub with SmartThings App

1. From the Home screen, tap Menu ()
2. Tap Settings
3. Tap Connected services
4. Tap Google
5. Tap Uninstall
6. Tap Delete
7. Confirm removal

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