Board Preparation

Before you start using the CircuitPython_Kernel, you’ll need a board running CircuitPython. If you’re not sure if the board plugged into your computer is running CircuitPython, check your file explorer for a drive named CIRCUITPY

Designed for CircuitPython (SAMD21 and SAMD51)

Installing CircuitPython Firmware

Adafruit Feather Huzzah ESP8266

While they do work with CircuitPython_Kernel, ESP8266-based boards require a different type of installation and configuration from the boards designed for circuitpython.

Installing CircuitPython Firmware

Access the REPL

Use screen program:

screen <device> 115200


  • Install ampy python3 -m pip install adafruit-ampy
  • To get options for listing files and moving files: ampy --help