Basic Plan for our ESP8266 Arduino Tutorial Pretending to be a Wemo, our ESP8266 enjoys the privilege of being able to receive commands directly from the Alexa. We are going to make our ESP8266 “emulate” a Wemo Belkin, a device that has a special license with Amazon allowing it to communicate directly with the Alexa device, bypassing all of that Amazon cloud communication described above. We want the Alexa to directly send a request to our ESP8266, over and inside of our home wifi network only. We want to make the Alexa device talk directly to our ESP8266 chip, inside of our home, without sending anything out to the cloud and back. In the case of Alexa IoT, the command gets routed to a “device shadow” on Amazon’s cloud, which in the end results in a response being sent to some other device in your home.
The Alexa “skill” takes over handling of the command normally it results in a response being sent back to the Alexa device, causing it to say something to the user in response. The speech command is routed to an Alexa “skill” (a program that runs in Amazon’s cloud).Alexa routes your speech all the way back to Amazon’s cloud.Just some background on Alexa programming: The Alexa “skills” programming model works like this: It’s what will enable the Alexa device and the chip to communicate with one another directly. Finally, we get to work with the popular ESP8266 chip, a favorite among do-it-yourselfers it’s an amazing little chip with ability to run all sorts of things, with a built-in Wifi chip that we will need for this project. As an added bonus, we get an insight into embedded programming with Arduino, a skill that’s maybe not so common among mainstream programmers these days. The beauty of this technique is that we can use it in our own homes to make Alexa automate almost literally anything that runs on electricity. The tutorial also gets our hands dirty with Alexa using an unofficial “hack” to get Alexa to do our bidding in the home (this technique is not meant for use in production, only for at-home demonstration). The objective of this ESP8266 Arduino tutorial is to get familiar with embedded programming with Arduino on a chip that’s become super popular among the maker community (and developers in general) for its accessibility and ease of use in the IoT space.
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