Developing2 outlets · over 1 day
How to build a f**king printer
Nishant Joshi's CrossPoint firmware fork turns the ESP32-C3-based Xteink X3 and X4 e-ink readers into network printers using the Internet Printing Protocol. The device advertises monochrome, 300 DPI, single-sided output on A5 paper, accepting Apple and PWG raster formats.
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