Can arduino uno connect with the node mcu 12E?


does it possible that i use arduino uno to get the data of my sensor and send the data to node mcu. Then node mcu do the internet stuff like upload the data to cayenne server


look at this , for bigining Getting Started with ESP8266 using Cayenne's MQTT


you can connect the sensors directly to nodemcu and connect it to cayenne. have a look at this Adding a New Device using MQTT