└── README.md


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 1 | ## ESP32 voice control via Amazon Echo Dot (Alexa)
 2 | 
 3 | This is an awesome application that using Amazon Echo Dot to turn on/off the blue LED on DOIT ESP32 dev-board via voice 
 4 | control service. You can find the source code, named `alexa_esp32`, within the `examples` directory. 
 5 | 
 6 | ![github](https://thumbnail0.baidupcs.com/thumbnail/6fa21b9aacfeedaf8876dd8140e370d3?fid=1443503420-250528-799318689246471&time=1496412000&rt=sh&sign=FDTAER-DCb740ccc5511e5e8fedcff06b081203-kzDcxbKBuEC1EOYkJsiEAMFmCQc%3D&expires=8h&chkv=0&chkbd=0&chkpc=&dp-logid=3547063589870307235&dp-callid=0&size=c710_u400&quality=100 "Amazon Echo Dot & ESP32 board")
 7 | 
 8 | When you build the `alexa_esp32` within the examples folder and flash the firmware to ESP32 board, then you can ask 
 9 | Echo Dot to discover device by telling her "Alexa, discover device". She will answer you "Discovery starting...". After about
10 | 20 seconds, if She does find device, she will answer you "I found 1 device...". Plus, you can search device via Alexa App or 
11 | via this page: `alexa.amazon.com`. When Echo Dot find ESP32, you will see the found device named "esp" on `alexa.amazon.com`, show 
12 | as the following figure:
13 | 
14 | ![github](http://img1.ph.126.net/RePwmcN1MQYP4Hc19Bee1w==/6632003450097703984.png "Alexa found ESP32 device")
15 | 
16 | When Alexa find ESP32 device successfully, you can ask Echo Dot "Alexa, turn on ESP" to turn on the blue LED on ESP32 borad. Ask 
17 | "Alexa, turn off ESP" to turn off the LED. The following link is a video to show the ESP32 voice control via Amazon Echo Dot: https://youtu.be/Eg1dApUHIBc
18 | 
19 | ## Download source
20 | 
21 | This app is a part of LuaNode, you can download source code here: https://github.com/Nicholas3388/LuaNode/tree/master/LuaNode_Esp32/LuaNode32/examples/alexa_esp32 
22 | 
23 | If you want use Alexa to control more resource on ESP32 device, to control more than two ESP32, see 
24 | this example on the following link: https://github.com/Nicholas3388/LuaNode/tree/master/LuaNode_Esp32/LuaNode32/examples/alexa_multi_esp32
25 | 
26 | ## How to build
27 | 
28 | export your esp-idf path first, input `export IDF_PATH=/your_idf_path` on terminal. Then input `make` to build this project.
29 | 
30 | ## How to config
31 | 
32 | * The Amazon Echo Dot will find the ESP32 device as `esp`, the name will show on Alexa server. You can change the name by 
33 | changing the string named `device_name` in `alexa.c`
34 | * Config Wifi SSID and Password in `user_config.h`
35 | * Macro `GPIO_TEST` is the pin for the blue LED
36 | 
37 | 


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