Sending Harmony device commands from SmartThings using a separate Linux bridge device (technical)

[crm114 (J)]

Raspberry Pi + SmartThings + Amazon Echo (Alexa) + Harmony Hub + Harmony API server + HTTP Button Creator

Materials: Raspberry Pi 1 (B+) SmartThings Hub V2 Amazon Echo (Dot) Harmony Hub Home Control Software: NodeJS for Raspberry Pi - http://thisdavej.com/beginners-guide-to-installing-node-js-on-a-raspberry-pi/ Harmony API Server - https://github.com/maddox/harmony-api HTTP Virtual Switch (Modified) - [Released] Virtual HTTP Switch/Button Creator. IMPORTANT Use this Device Handler to get an On/Off switch instead of a Push button. http://pastebin.com/bMg6YzDH It should be pretty straightforward once you’ve setup all the software above to create Virtual Switches pointing to your Raspberry Pi’s Harmony API server. These Virtual Switches can then be included in your Amazon Echo “Smart Home” devices for control. You’ll be able to say: “Alexa, turn on Mute” to mute your TV or AV equipment …

The HTTP Button Creator might be what you’re looking for.