This article has explained how to connect Amazon Alexa to your Arduino IoT Cloud projects with no additional coding required.
How to connect Sinric Pro with the Amazon Alexa app to control the appliances with the Alexa from anywhere in the world.
How to connect Sinric Pro with the Google Home app to control the appliances with the Google Assistant from anywhere in the world.
How to setup Sinric account, download Sinric Pro examples for ESP8266 & ESP32. Add devices to control with Alexa & Google Home