Best solution for contact sensors and Alexa

[SmartHomePrimer]

You have to build a Google Assistant Relay Node.js server (not as hard as it sounds), but then you can continue using the SmartThings cloud to trigger Alexa TTS.

I do it for all my TTS announcements now.

Alexa TTS via Google Assistant to SmartThings

Special thanks to @mike.maxwell and @keithcroshaw for inspiring this work, and to @ogiewon, @ghesp Greg Hesp and @cwwilson08 for the code necessary to make this possible. Just an important note if you have not had your morning coffee. This is about Alexa TTS, and yes it does use Google Assistant, strange as that seems, but that's primarily a way to activate a SmartThings DTH, and that will then be detected by Alexa to trigger a routine and speak a custom phrase you enter into the Alexa app. …