The Xteink X4, an open-source e-Ink reader for developers

The Xteink X4, a modular e-Ink reader, is introduced as an open-source alternative to commercial e-readers.

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The fact

Developed by enthusiasts, it targets developers and tinkerers with a customizable architecture.

Its launch could spur innovation in electronic ink devices.

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Auto-synthesis from 1 media source · identified on June 24, 2026