Cayenne Esp8266 + Arduino [Confused]

[vapor83]

arduino. you need to flash the esp with AT firmware. Checkout this post with how to install the AT firmware

Esp8266

So I’ve been using the ESP8266-01 & the new ESP8266-01S. I take a proto shield and mount the ESP to it or use a breadboard adapter if you want to be able to remove it (see pics). I basically make a ESP shield that goes to the Serial RX/TX with a switch on it for easy uploading to the arduino. [image][image] First you need to upload the AT firmware for the ESP so the arduino/cayenne can talk to it using AT commands. You need the following: ESP_download_tool_v2.4 & the ESP_IOT_SDK 1.0.0. I …