Attribution of OpenAI ChatGPT in open-source code published by Adafruit

Video: Writing an Arduino driver with OpenAI ChatGPT and PDF parsing – September 2023

OpenAI’s ChatGPT appears to have been trained on a lot of Adafruit’s 10+ years of open-source code. We’ve recently experimented with using ChatGPT for Arduino (C/C++) library and driver authoring in conjunction with Limor “Ladyada” the primary author.

Much like our editorial guidelines, if we use any AI or generative tools, including ChatGPT we’ll disclose that in a comment and provide the link to the service or tool used and, when used for published code, and when possible, we’ll share the exact chat logs used (OpenAI ChatGPT). Limor does not use GitHub Copilot at this time for published open-source code.

We believe disclosing use, linking to the LLM, and prompt/chat logs together is one of the most transparent ways to document anything done with these tools as they evolve and are experimented with. We additionally have published videos of our use and entire logs of interactions.

The first published open-source code example is the Adafruit HUSB238 I2C USB Power Delivery sink chip –

The GitHub repository contains the code and the addition of this information in the MIT License for the open-source code.

Written by Limor Fried (Adafruit Industries) with OpenAI ChatGPT v4 Aug 3rd, 2023 build

We are seeking input from the open-source community, open-source organizations such as OSI & OSHWA, and legal experts on best practices as these tools become available. How should developers in open-source code & in the licenses indicate using GitHub Copilot-like tools, “AI pair programmers”, and/or ChatGPT? We’ll share our findings and show our work along the way.


Adafruit publishes a wide range of writing and video content, including interviews and reporting on the maker market and the wider technology world. Our standards page is intended as a guide to best practices that Adafruit uses, as well as an outline of the ethical standards Adafruit aspires to. While Adafruit is not an independent journalistic institution, Adafruit strives to be a fair, informative, and positive voice within the community – check it out here:

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