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'''Documentation notice:''' This technical documentation was independently rewritten from an archived supplier source. Check technical details and commands against the product version and manufacturer documentation before use.<br />
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== Summary ==<br />
Concise technical overview of the Waveshare 2.9-inch e-Paper Module (B), covering core parameters and available integration options.<br />
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== Related products at JW Tech ==<br />
* [https://shop.jw-tech.eu/p/WSAL13276 WSAL13276 – 2.9inch E-Paper (B) E-Ink Raw Display, 296×128, Red / Black / White, SPI, without PCB]<br />
* [https://shop.jw-tech.eu/p/WSAL13339 WSAL13339 – 2.9inch E-Paper E-Ink Display Module (B), 296×128, Red / Black / White, SPI]<br />
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== Technical overview ==<br />
* Resolution: 296 × 128 pixels<br />
* Color scheme: Red / Black / White<br />
* Interface: SPI<br />
* Available development demos: C, Python, Arduino UNO R3, Jetson Nano, RDK X3, STM32CubeMX, ESP32/ESP8266<br />
* Two catalog variants: raw display without PCB (WSAL13276) and complete display module (WSAL13339)<br />
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== Notes and version constraints ==<br />
* Exact commands or API calls are not present in the supplied source; no commands should be invented.<br />
* No information on power supply, pinout, or driver chip is provided in the source – these details require manufacturer confirmation.<br />
* Version-specific steps (e.g., specific firmware or library versions) are missing; please consult the current Waveshare wiki page before implementation.<br />
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== Source and revision record ==<br />
* [https://www.waveshare.com/wiki/2.9inch_e-Paper_Module_(B) 2.9inch e-Paper Module (B) - Waveshare Wiki]<br />
* Source revision: 103827<br />
* Captured: 2026-08-30T03:41:07+00:00<br />
* SHA-256: <code>02e26299b3a7f740190083dca66c5db5b7ca78d97b265f0bd62d03f9a3dc7ea1</code></div>JWTechPublisher