# Rotary Un-Smartphone > open-source hardware **Wikidata**: [Q125087565](https://www.wikidata.org/wiki/Q125087565) **Source**: https://4ort.xyz/entity/rotary-un-smartphone ## Summary The Rotary Un-Smartphone (RUSP) is an open-source hardware project that functions as a smartphone model, notably incorporating a rotary dial for interaction. Designed by Justine Haupt, it combines advanced mobile phone capabilities with the distinctive user interface of a traditional rotary phone. It is also characterized as a feature phone. ## Key Facts * The Rotary Un-Smartphone (RUSP) is an instance of open hardware. * It utilizes a rotary dial as a primary input component. * The device was designed by Justine Haupt. * It is available in colors including red, teal, beige, black, and white. * The Rotary Un-Smartphone is licensed under The Sky's Edge Open Source License. * It is considered a smartphone model, though its status as such is noted to end in September 2025. * The project maintains an official website at https://skysedge.com/telecom/RUSP/index.html. * The hardware is copyrighted. * It is also characterized as a feature phone. ## FAQs ### Q: What is the Rotary Un-Smartphone? A: The Rotary Un-Smartphone (RUSP) is an open-source hardware project that functions as a smartphone model. It uniquely integrates a rotary dial for user interaction, blending modern mobile technology with a classic interface. ### Q: Who designed the Rotary Un-Smartphone? A: The Rotary Un-Smartphone was designed by Justine Haupt. She is credited with creating this distinctive open hardware device. ### Q: What colors are available for the Rotary Un-Smartphone? A: The Rotary Un-Smartphone is available in several colors, including red, teal, beige, black, and white. These options provide variety for users interested in the device. ### Q: Is the Rotary Un-Smartphone open source? A: Yes, the Rotary Un-Smartphone is explicitly defined as open-source hardware. Its design documents are openly accessible and modifiable by others. ### Q: What license does the Rotary Un-Smartphone use? A: The Rotary Un-Smartphone is licensed under The Sky's Edge Open Source License. This license governs the use and modification of its open hardware design. ## Why It Matters The Rotary Un-Smartphone (RUSP) holds significance as a unique blend of vintage aesthetics and modern technology, challenging conventional smartphone design. As an open-source hardware project, it empowers individuals to understand, modify, and build their own devices, fostering innovation and accessibility in electronics. Its incorporation of a rotary dial into a smartphone model offers a deliberate counterpoint to touch-screen dominance, appealing to those seeking a more tactile, focused, and perhaps less distracting mobile experience. Designed by Justine Haupt, the RUSP demonstrates that advanced networking capabilities can coexist with simpler, more intentional user interfaces. It serves as a tangible example of how open hardware can push boundaries, offering alternatives to mass-produced consumer electronics and promoting a deeper engagement with the tools we use daily. ## Notable For * Being an open-source hardware project that provides openly accessible and modifiable design documents. * Its distinctive integration of a rotary dial into a smartphone model, offering a unique user interface. * Being designed by Justine Haupt, a specific individual credited with its creation. * Its classification as both a smartphone model and a feature phone, highlighting its blend of capabilities. * Utilizing The Sky's Edge Open Source License, a specific license for its open hardware nature. ## Body ### Overview The Rotary Un-Smartphone, also known by its aliases and short name RUSP, is an open-source hardware entity. It is characterized as both open hardware and a smartphone model, though its status as a smartphone model is noted to conclude in September 2025. The device is also described as having the characteristics of a feature phone. ### Design and Features The core design of the Rotary Un-Smartphone incorporates a rotary dial, which it uses for interaction. This component allows for dialing numbers, reminiscent of traditional telephones. The device is available in a range of colors, including red, teal, beige, black, and white. It was designed by Justine Haupt. ### Licensing and Copyright The Rotary Un-Smartphone operates under The Sky's Edge Open Source License, which governs its open hardware nature, making its design documents openly accessible and modifiable. Despite being open source, the hardware itself is copyrighted. ### Resources and Communication The official website for the Rotary Un-Smartphone is https://skysedge.com/telecom/RUSP/index.html, which is available in English. An official blog is maintained at https://skysedge.github.io/blog, also in English. For community discussion and archives, a mailing list archive is accessible at https://skysedge.com/pipermail/rotaryun-smartphone_skysedge.com. ## References 1. [Source](https://skysedge.com/2025/08/19/announcement.html)