How to Install Micropython on an ESP8266 Board?

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To install MicroPython on an ESP8266 board, you can follow these steps:

  1. Download the MicroPython firmware: Visit the MicroPython website ( and download the firmware suitable for the ESP8266 board.
  2. Prepare the ESP8266 board: Make sure your ESP8266 board is connected to your computer via a USB cable. You will also need a serial communication program, such as PuTTY (for Windows) or screen (for macOS/Linux).
  3. Erase the flash memory: Open the serial communication program and connect to the serial port corresponding to your ESP8266 board. Set the baud rate to 115200. Enter the following command to erase the flash memory of the ESP8266 board: --port /dev/ttyUSB0 erase_flash

Note: Replace /dev/ttyUSB0 with the appropriate serial port on your system.

  1. Flash the MicroPython firmware: After erasing the flash memory, enter the following command to flash the MicroPython firmware onto the ESP8266 board: --port /dev/ttyUSB0 --baud 115200 write_flash --flash_size=detect 0 <path_to_firmware>

Replace <path_to_firmware> with the path to the downloaded MicroPython firmware file.

  1. Verify the installation: Once the flashing process is complete, restart the ESP8266 board. Open the serial communication program again and connect to the board. You should see the MicroPython prompt, indicating a successful installation.

That’s it! You have now installed MicroPython on your ESP8266 board. You can start writing and executing MicroPython code on the board using the serial communication program.

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