Modos Flow E Ink Monitor Promises 60Hz Refresh Rate and Open Source Firmware

The Modos Flow is set to launch as a 13.3-inch E Ink monitor that aims to bridge the gap between traditional ePaper displays and conventional computer monitors. With a 3200 x 2400 pixel resolution and a claimed 60Hz refresh rate, this portable display promises to deliver a paper-like viewing experience while maintaining the responsiveness needed for everyday computing tasks.

E Ink technology has long been prized for its eye-friendly characteristics - it mimics the appearance of paper, requires no backlight, and consumes minimal power when displaying static content. These qualities make E Ink ideal for dedicated e-readers and digital signage. However, the technology has historically struggled with high-motion content due to slow refresh rates, making it impractical for general-purpose computing.

Modos appears to have addressed this limitation through custom hardware and firmware. The company has developed its own board with firmware that enables refresh rates up to 60Hz, dramatically improving the display's versatility. This opens up possibilities for using the Flow as a full-fledged computer monitor rather than just an auxiliary reading device.

What sets the Modos Flow apart from competitors is its commitment to open source. The company plans to release the source code for the board's firmware, allowing developers and enthusiasts to modify or improve the functionality. This approach could foster a community of users who can optimize the display for specific use cases or develop new features.

Early testing by YouTube channel My Deep Guide revealed that the Flow offers four distinct viewing modes: browsing, typing, watching, and reading. Each mode represents a different balance between refresh rate and image quality. The browsing mode, in particular, demonstrates impressive performance with minimal ghosting and smooth scrolling that approaches the experience of an LCD display - at least until images are encountered.

The typing mode also performs well, making the Flow suitable for extended writing sessions. However, video playback remains a challenge. Users must choose between highly pixelated video at fast refresh rates or accept visual artifacts as the screen struggles to maintain image quality while updating quickly.

This trade-off is inherent to current E Ink technology. When refresh rates are increased, users typically encounter either ghosting (where remnants of previous images persist) or dithering (where images appear pixelated). The Modos Flow appears to navigate these limitations better than many competitors, but some compromises remain inevitable.

The alpha hardware tested by reviewers showed higher touch latency than expected, though Modos indicates that firmware updates may address this issue. The final product will include several user-friendly features: a front-light with seven brightness levels and seven color temperature adjustments, three programmable physical buttons supporting short and long presses, two USB Type-C ports (one for power, one for data), and support for both touch and stylus input.

Modos plans to offer the Flow in both black-and-white and color variants, with both supporting the 60Hz refresh rate and sub-100ms latency. The choice between color and monochrome will likely depend on user priorities - color adds versatility but may come with additional trade-offs in refresh performance or cost.

Pricing details remain under wraps, but context suggests the Flow won't be inexpensive. Modos's previous-generation Paper Monitor Dev Kit currently sells for $599 on Crowd Supply, and that was for a lower-resolution display without a case. The Flow's advanced features and higher resolution suggest a premium price point, though the exact figure hasn't been announced.

Interestingly, while a preview page exists on Kickstarter, Modos has confirmed it will use Crowd Supply for the actual crowdfunding campaign, maintaining consistency with its previous product launch strategy. This choice may appeal to the open-source and maker communities that typically gravitate toward Crowd Supply's platform.

The Modos Flow represents an ambitious attempt to make E Ink technology practical for general computing. While it won't completely replace traditional LCD or OLED monitors - particularly for tasks requiring accurate color reproduction or smooth video playback - it could serve as an excellent secondary display for reading, writing, and browsing. The open-source firmware adds significant value for users who want to customize their experience or contribute to the technology's evolution.

For developers, writers, and anyone who spends long hours reading or working with text, the Modos Flow could offer a compelling alternative to conventional monitors. The combination of high resolution, fast refresh rates, and eye-friendly display technology addresses many of the traditional limitations that have kept E Ink confined to dedicated e-readers. Whether the trade-offs in image quality and the likely premium price will be acceptable to mainstream users remains to be seen, but the Flow certainly pushes the boundaries of what's possible with ePaper displays.