Read the blog article: #Micropython: Getting Started! and install MicroPython on the WeMos board.

Download the repository: uPyEcho.

ssid_ = your ssid
wp2_pass = your wpa2 password

a- The code line:

ws2812_chain = WS2812(ledNumber=ledNumber, brightness=100)

 defines the WS2812 LED strip. The argument 'ledNumber' defines the size of the LED strip. In my case, I used 144 LEDs.

b- The code lines:

devices = [
{"description": "white lights",
"port": 12340,
"handler": rest_api_handler((255,255,255), 50)}, 
... ] 

define the devices that are going to be found by Amazon Echo. As I said before, you can add up to 5 devices, but  there are some limitation, please read this article. You need to define a name (e.g. 'white lights'), a port (e.g. '12340'), and a class (e.g. 'rest_api_handler') that is used as a handler. If you want to use further the 'rest_api_handler' class, you can select the LED color in RGB (e.g. white > '(255,255,255)'), and the brightness of the LED stripin % (e.g. '50'). The WS2812b class uses the SPI unit, and the pin 23 as data pin. Do not forget to connect the also the GND.

You can use the Alexa application, or just say, "echo/alexa, search for new devices" and wait.

 Say, "echo/alexa, turn on the 'white lights'", it should work, if not, leave a comment or write me.

Read this article and use 'ampy'.

Read the following article.