Here’s a good tutorial Quick Start to Nodemcu (ESP8266) on Arduino IDE : 3 Steps (with Pictures) - Instructables
Once you get the IDE working you can get it connected to Cayenne using the info in this thread Esp8266 - #20 by kreggly
Here’s a good tutorial Quick Start to Nodemcu (ESP8266) on Arduino IDE : 3 Steps (with Pictures) - Instructables
Once you get the IDE working you can get it connected to Cayenne using the info in this thread Esp8266 - #20 by kreggly