Alexa with Node-Red

Step 1:

Alexa Home Skill

npm install node-red-contrib-alexa-home-skill

Step 2:

Sign up at Node-RED Alexa Home Skill Bridge

Step 3:

Follow their directions to set up some devices.  (Specifically, you will be setting up Node-Red nodes to be devices for Alexa to play with...)

Step 4:

Drag some "alexa-home" nodes into your flow on Node-Red & use them as triggers for whatever you like.