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snowflake PCBs w/ SAMD21 and neopixels
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docs
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snowflake_1
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README.md

README.md

Congratulations on your new snowflake!

This board is a result of a lab64's 2018 HoLLiday workshop, courtesy of Stanford's Electrical Engineering Department. lab64: lab64.stanford.edu

All the design files, including hardware and software, for this project are available on github: snowflake github: https://github.com/maholli/snowflake

This board can be programmed with arduino or circuitpython (default).

If you'd like to switch to arduino, plug it into your computer via USB, and quickly double-click the "RST" button. A new drive called FEATHERBOOT will appear. You can now flash it normally using the Arduino IDE and choosing "Adafruit Feather M0" as the board.

  • To switch back to circuitpython, put the board into FEATHERBOOT mode again, and drag the "snowflake_v1a.uf2" file (found on the github) onto the drive. It will automatically reset once the transfer is complete.

This board is based on the Adafruit Feather M0

Pin Conventions

A few pins on the board have been given special names, these used the "board" descriptor. The remainder of the pins must be addressed using the "microcontroller" descriptor.

For example....

This all made possible because Adafruit invests time and resources providing open source designs and software. Please support Adafruit and open-source hardware by purchasing products from Adafruit and documenting your projects!!

Have fun! <3 lab64 team 2018

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