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Upgrade Firmware

The keyboard has a built-in bootloader to upgrade its firmware.

Check Current Firmware Version

To check the information of the firmware, just open the boot_out.txt file in the USB storage of the keyboard. The file contains the version and the compiled date of the firmware:

Adafruit CircuitPython 6.0.0-alpha.1-110-g121d78ec9 on 2020-08-27; Makerdiary M60 Keyboard with nRF52840

If you find a newer firmware (file with .uf2 extension) in python-keyboard / firmware, you could do an upgrade.

Enter Bootloader

There are 4 ways to run into the bootloader:

  1. When USB is connected, press Fn + b to enter the bootloader

  2. When USB is connected, hold the ON/OFF button for 3 seconds to enter the bootloader

  3. When in Python REPL mode, run:

    import microcontroller as mcu
mcu.on_next_reset(mcu.RunMode.BOOTLOADER)
mcu.reset()

  4. When battery is not attached, hold the ON/OFF button and power on the keyboard with USB.

Upgrade

When the bootloader is running, a USB drive named M60Keyboard will appear in your computer. Download the latest .uf2 firmware, drag-n-drop the firmware into the USB drive, then wait until a new USB drive named CIRCUITPY appears.