I dont know which port to use

[Chirag1712]

Amazon Echo ESP8266 control, with natural speech commands

@modicon1 Check out the readme info at the beginning of the sketch… This OP’s sketch uses WiFiManager for provisioning, and thus only requires the Blynk.config(auth); command for the server connection. http://docs.blynk.cc/#blynk-firmware-configuration-blynkconfig