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Wboard Pro ESP8266 Firmware Upgrade

Wboard Pro has an on-board ESP8266. If you want to upgrade the ESP8266’s firmware, here is the instruction.

Preparation

  1. The jumpers’ connection. According to the silkscreen on Wboard Pro, you can learn the jumpers setting. Choosing to connect different jumpers, you can let the serial port connect to Mega 2560 or ESP8266. As we upgrade the firmware to ESP8266, we shall plug the jumpers to 4-6 and 3-5. BTW, the FW jumper shall be plugged as well.
  2. Firmware. In this tutorial, the firmware we flash is 0.18 version. If you need a higher version, please go to the forum of ESP8266 to get one. Note: in this case, the default firmware that Nodemcu flash to your ESP8266 is not AT commands firmware!!If you want to flash AT commands firmware, go to ESP8266 forum.
  3. Firmware flasher. The flasher we use is Nodemcu. You can click here to get this flasher from Github, and learn how to use.

Firmware Upgrade

1. Jumpers connect to 2-4, 1-3. Then upload an Arduino Blink demo to Mega2560 to ensure no serial port is taken up.

2. Connect jumpers to 3-5, 4-6, and the FW.

3. Open Nodemcu, choose the COM port. Just click “Flash” and press the E-reset button of the Wboard.

Nodemcu is a very simple ESP8266 firmware flasher. There are some other parameters you can set to change the firmware.