What are the controversial changes in Arduino's new terms of service?

The most controversial changes include prohibitions on reverse-engineering platform services and broad rights over user-generated content, alongside new AI monitoring policies.

How does Qualcomm's acquisition affect Arduino's open source policies?

Arduino states the acquisition does not modify user data handling or its application of open-source principles, though some users remain concerned.

Is Arduino's software still open source after the ToS update?

Yes, Arduino affirms that hardware, software, and services released under open-source licenses remain available as before; restrictions apply to cloud applications.

Home / Technology / Arduino's Open Source DNA Under Fire After ToS Update

Arduino's Open Source DNA Under Fire After ToS Update

25 Nov, 2025

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Summary

New terms prohibit reverse-engineering of platform services.
AI policy allows Arduino to monitor user accounts and AI product usage.
Users question broad rights granted to Arduino over user-generated content.

Arduino's Open Source DNA Under Fire After ToS Update

Recent updates to Arduino's terms of service and privacy policy have ignited controversy within the maker community, with many fearing a departure from its open-source roots. The revised terms include a prohibition on reverse-engineering its platform services, a move that has drawn sharp criticism. While Arduino states that its open-source hardware and software will remain unaffected, concerns persist regarding the scope and intent of these new restrictions.

Further fueling apprehension is a new 'AI Policy' section, which grants Arduino the right to monitor user accounts and their use of AI products. Critics, including Adafruit's leadership, question the retention and access policies for data collected through these AI systems. Additionally, new clauses regarding user-generated content and patent infringement claims have raised alarms about potential monetization and data sharing with Qualcomm.