License

Beginning Arduino with PlatformIO © 2021 by Seth Fischer is licensed under CC BY-SA 4.0.

Trademarks

Arduino is a trademark of Arduino S.r.l.

PlatformIO is a trademark of PlatformIO Labs OÜ.

Acknowledgements

Cover image: Adaptded from PhilippHenkel, CC BY-SA 4.0, via Wikimedia Commons.