The world of open source hardware continues to thrive, fueled by innovation and a commitment to community standards. Each month, the Open Source Hardware Association (OSHWA) celebrates new additions to its certification program, a free initiative ensuring that hardware designs meet the rigorous community definition of open source. When you spot the OSHWA certification logo, you’re guaranteed a product built on transparency and collaboration. With a database now boasting an impressive 3310 individual certifications, April 2026 saw 18 exciting new projects join the ranks, showcasing the incredible breadth of the open source hardware movement.
Spotlight on April’s Certified Innovations
HackRF Pro: Pushing the Boundaries of Software Defined Radio
Great Scott Gadgets, a familiar name in the open source hardware community, has once again raised the bar with their newly certified HackRF Pro
(UID US002820). This powerful Software Defined Radio (SDR) peripheral comes packed with significant updates, enabling users to transmit or receive radio signals across an astonishing range from 100kHz to 6GHz. It’s an indispensable tool for testing and developing both current and next-generation radio technologies, bringing a massive amount of capability and flexibility to the HackRF product line. Whether you’re a seasoned radio enthusiast or a professional developer, the HackRF Pro offers unparalleled features for exploration and innovation.
trunkCAM: Your Eye into Nature’s Hidden Worlds
Sometimes, the most delightful innovations come in small packages – and with charming documentation! The trunkCAM (UID US002819) by Seacell is a prime example. This small, articulated camera is perfectly designed for exploring the natural world’s nooks and crannies. Built around a common USB endoscope camera, it features a clever 3D-printed, cable-driven mechanism. This allows users to maneuver the camera into tight spaces, revealing the secret lives of the “little guys” that inhabit them. It’s an accessible and engaging tool for citizen scientists, educators, and anyone curious about the unseen aspects of their local environment.
Kaze: Luxembourg’s Latest Environmental Sentinel
Marking only the second certification ever from Luxembourg, Kaze
(UID LU000002) is a compact yet powerful environmental sensor. Utilizing an ESP32-C6 microcontroller, Kaze precisely measures the temperature and humidity of your indoor space. Its design allows for seamless integration with popular home assistant setups, providing real-time updates and empowering users to maintain optimal environmental conditions. Kaze exemplifies how open source hardware can contribute to smart home ecosystems, offering both functionality and the freedom to customize and understand your devices.
Join the Open Source Hardware Movement
These 18 new certifications in April 2026 are just a snapshot of the vibrant and expanding open source hardware ecosystem. From sophisticated radio technology to tools for environmental exploration and smart home integration, the diversity of projects is truly inspiring. The Open Source Hardware Association continues to be at the forefront, fostering a community where innovation is shared and accessible.
Stay informed about the latest certifications by following OSHWA’s certification bot on Mastodon, or better yet, consider submitting your own project for certification today and become part of this global movement!
Article by Sid Drmay, Community Coordinator for OSHWA and a passionate interdisciplinary artist and journalist.
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