Used to back the state of the light and communicate with the Arduino YÚN device via MQTT.
Story
I thought the The Alexa and Arduino Smart Home Challenge was exceptionally cool and wanted to contribute even though I couldn't compete. So, I grabbed an Arduino YÚN that I had available and purchased the absolute cheapest NeoPixel compatible light array and went to work.
The sample project uses an Arduino YÚN with an Alexa Smart Home Skill to provide voice control to LED lights. The sample also implements an Amazon Web Services (AWS) IoT thing to represent the state of the light and MQTT to communicate that state with the Arduino YÚN. On the Arduino YÚN, a Python client listens for state changes and communicates those to a running sketch via the Bridge. The sketch uses the Adafruit NeoPixel Library to control LED lights in various colors and levels of brightness.
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