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Arduino’s New Terms of Service Spark Hobbyist Concerns Before Qualcomm Deal

Originally published on: November 25, 2025
▼ Summary

– Arduino’s updated terms of service prohibit reverse-engineering its platform, causing concern in the maker community about its open source principles.
– The company clarified that the restriction applies only to its cloud applications, while open source hardware and software remain unchanged.
– Adafruit executives expressed skepticism, stating the blog post left key questions unanswered and they have not received responses from Arduino.
– The new terms include an AI policy allowing Arduino to monitor user accounts and AI product usage, raising data privacy concerns.
– Concerns were also raised about how user data collected through monitoring might be shared with Qualcomm following its acquisition of Arduino.

Recent updates to Arduino’s terms of service have ignited significant discussion within the maker community, particularly as the company prepares for its acquisition by Qualcomm. Many longtime supporters feel these new policies could undermine the open source principles that have long defined Arduino’s identity.

The revised terms, implemented shortly after Qualcomm’s acquisition announcement, include several contentious provisions. One particularly debated clause explicitly prohibits users from translating, decompiling, or reverse-engineering the platform without explicit permission. This restriction has raised eyebrows among community members who value Arduino’s traditionally transparent approach to hardware and software development.

In response to mounting concerns voiced by prominent community figures including Adafruit, Arduino published a clarifying blog post. The company emphasized that all hardware, software, and services released under open source licenses remain completely unaffected by these changes. According to Arduino, the reverse-engineering restrictions apply exclusively to their cloud-based Software-as-a-Service applications, not to their established open source offerings.

However, Adafruit founder Limor Fried and managing editor Phillip Torrone remain skeptical about these assurances. They’ve pointed out that Arduino’s explanation fails to address fundamental questions about why a company built on hackable systems would implement such restrictions. “Why is reverse-engineering prohibited at all for a company built on openly hackable systems?” they questioned in a joint statement. Despite submitting detailed inquiries to Arduino, they report receiving no substantive response.

When pressed for additional clarification about the policy changes, both Arduino and Qualcomm representatives directed inquiries back to the existing blog post, offering no further commentary.

Another area generating concern involves new artificial intelligence provisions within the updated terms. The document states that Arduino reserves the right to monitor user accounts and AI product usage, including feature utilization, computational resources, and storage consumption. Critics argue that the company hasn’t adequately explained what specific data these AI systems collect, who can access this information, or why users cannot opt out while still using the features.

Community leaders have also voiced apprehension about how user data collected by Arduino might be shared with Qualcomm following the acquisition. The lack of transparency surrounding data handling practices has left many wondering whether the company’s commitment to its open source heritage might be shifting as it enters this new corporate relationship.

(Source: Ars Technica)

Topics

terms of service 95% reverse engineering 93% open source 90% maker community 88% company acquisition 85% user monitoring 82% ai policy 80% Data Privacy 78% community response 75% platform restrictions 73%