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To switch accounts, tap another account or Add another account. You can also use Google Assistant Relay for the same thing. Google Home will take the music from your default streaming service that’s linked to your Google account. If you haven’t linked any services, or your Google Home isn’t connected to a Wi-Fi network, you’ll hear the normal beeping alarm sound instead of the song you’ve ordered. There’s plenty of customization and different sounds you can set for the alarm using Google Home.

In the app for your smart home device, you can also optionally add the ability for users to explicitly toggle notifications from the device, for example, from your app settings. If your speaker or display has detected a smoke or carbon monoxide alarm and the event is In progress, it will appear at the top of the Feed. You can use the notification to go directly to the sound detection event in the Feed. From there, you can simply tap the sound detection event to review the audio clip in the Home app.
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If this isn't working for you then you can use the build in chromecast integration. You mentioned the native google voice....that might be part of your problem. I started using cast web maybe 3 to 4 months ago. I thought I turned down logging, but I will check it again.

Right now I can only make my dome speaker to make a chime sound. Your Google device will confirm that the alarm is cancelled. Hey Google, set an April O’Neil alarm for 8 AM every day of the week. Or “Ok, Google, set Bach music alarm for 6 AM every day”. Your camera can also notify you when it has technical issues, such as when it goes offline.
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You can experiment and name any band, singer, or composer for your music alarms. Also, you can choose any radio station you like, just make sure you use the proper name when saying the voice command. Activity Zones let you mark a specific area in your camera's view that you want to get alerts for. Your camera can send alerts and record an event in your camera's video history when there's important motion in the zone that you have created.
It’s great to have a system that would announce all your notifications for you, especially when you can easily control when these messages are verbalised. Create a profile in Tasker that looks for text messages from a specific contact, like the Tasker profile used in this Alexa hack, and create a task with a new, custom audio file. If you change a notification setting in the Nest app, it will also change that setting for everyone who shares control of devices in your home. For example, you might want to get a Remind Me alert whenever you're the last person to leave home without setting the alarm, but your spouse might not want to use this feature.
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These commands are all self-explanatory, e.g. you see that you can easily set an alarm, cancel it, snooze it, check all the alarms, etc. If you don't receive notifications, you get too many, too few, or not the right kind, go to Troubleshoot Nest camera alerts. With a Nest Aware subscription, your camera can use advanced algorithms to improve its motion and sound detection and send you better notifications. The notification contains information about the toggle and 2 buttons to stop relaying mobile notifications and stop relaying all notifications.
Sometimes the devices playback sometimes they dont. I basically am asking them to speak the command I want. Also, both GAR and Cast-Web have the ability to issue "broadcasts" to Google Home devices instead of TTS. This allows you to send a voice notification to the device but not interrupt what is currently playing on the device. If I am preparing dinner and listening to a podcast, I don't want to have to restart that podcast just because HE wanted to tell me the washer was finished. If you use Google Home devices to listen to media of any kind with any regularity, that will become very annoying, very quickly.
You must have a Nest Aware subscription and a US address saved in the Home app to use sound detection on your speaker or display. Make sure your mobile device or tablet is connected to the same Wi-Fi network or linked to the same accountas your speaker or display. Verify that the Google Account shown is the one linked to your Nest speaker or display.

Or Google Home devices, open the app and tap Manage Cast Devices. Tap the plus sign in the upper right corner and select your Google Home device. Property Description requestId Notification request ID. structName Name of the notification struct, such as "ObjectDetection".
These values will be formatted as a JSON object and processed in the NodeRED. Lastly, the spoken feedback is issued to the Google Home node to let you know if settings have been toggled successfully. You will also notice the ON/OFF inject nodes for testing. Feel free to remove it from the example file.

Once installed, reboot the Raspberry Pi and go to Palette Manager to install it. The node itself has to be configured, open it up and enter the IP of your Google home. I use Fing to look up the devices on my network.