====== ESP8266 NodeMCU v3 ======

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

{{composants:esp8266.jpg?350}}

===== Using =====

==== Installation ====

Does not work 'out of the box' in Arduino, you need to install a lib following these instructions ([[https://github.com/esp8266/Arduino|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

==== Flashing options ====

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

==== Different cards ====

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

==== Debgugging ====

There is a common error : 

<code>
warning: espcomm_send_command: can't receive slip payload data
</code>

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


===== Ressources =====

  *[[https://arduino-esp8266.readthedocs.io/en/2.5.0-beta2/index.html|Doc ESP8266 sur Arduino]]
  *[[https://github.com/esp8266/Arduino|Projet GitHub]]
  *[[https://www.instructables.com/id/Programming-ESP8266-ESP-12E-NodeMCU-Using-Arduino-/|Instructables on programming an ESP8266]]