Get started with MicroPython [C3 series]

Flash MicroPython firmware

The boards were already flashed with MicroPython firmware. If they lost the firmware or you need the latest version, you can flash MicroPython firmware by yourself.

Requirements

pip3 install esptool

C3 Firmware

Flash firmware

  • Put C3 boards into Device Firmware Upgrade (DFU) mode.

    • Hold Button 9
    • Press Button Reset
    • Release Button 9 when you hear the prompt tone on USB reconnection

  • Flash using esptool.py

    esptool.py --port PORT_NAME erase_flash
esptool.py --port PORT_NAME --baud 1000000 write_flash -z 0 FIRMWARE.bin

Note

Don’t forget to change PORT_NAME and FIRMWARE.bin.

In Linux, PORT_NAME is like /dev/ttyUSB0. In Windows, PORT_NAME is like COM4.