ESP8266 NodeMCU v3

This is the ESP 12E module. A compact card with onboard WiFi.

Does not work 'out of the box' in Arduino, you need to install a lib following these instructions (source)

• In Arduino IDE > Preferences > Add this address : http://arduino.esp8266.com/stable/package_esp8266com_index.json under 'Additional Boards Manager URLs'
• In Tools > Board > Board Manager
• Install latest ESP8266 lib

• Board : Node MCU v1.0 (ESP 12E Module)
• Upload : 115200
• CPU Frequency : 80 MHz
• Flash size : 4M (3M SPIFFS)

There are many different ESP8266. Take care to choose the right one in the Boards menu.

There is a common error :

warning: espcomm_send_command: can't receive slip payload data

If so, you need to install a python script and modify a few files, following the instructions : https://arduino.stackexchange.com/questions/20219/upload-with-esptool-fails-with-espcomm-send-command-cant-receive-slip-payload

• Doc ESP8266 sur Arduino
• Projet GitHub
• Instructables on programming an ESP8266