Quelltext der Seite WSAL13186 – 4.2inch e-Paper Module/en

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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.

== Summary ==
Technical overview of the Waveshare 4.2inch E-Ink display module (400×300 pixels) and its supported control platforms.

== Related products at JW Tech ==
* [https://shop.jw-tech.eu/p/WSAL13186 WSAL13186 – 400x300, 4.2inch E-Ink raw display]
* [https://shop.jw-tech.eu/p/WSAL13353 WSAL13353 – 400x300, 4.2inch E-Ink display module]

== Technical overview ==
* Resolution: 400 × 300 pixels on a ~4.2-inch diagonal.
* Available as a raw display (WSAL13186) or as a finished module (WSAL13353).
* Supported platforms: Raspberry Pi, Arduino UNO R3, Jetson Nano, RDK X3, STM32 (via CubeMX), ESP32/ESP8266.
* Demo projects in C and Python are provided for each platform.
* The manual covers parameters, operating principles, precautions, wiring, and resources (documents, demos, datasheets).
* FAQ sections address common questions about e-paper operation.

== Notes and version constraints ==
* No specific commands, voltage ratings, or compatibility lists appear in the source document – no values invented.
* More detailed technical specifications (driver IC, operating voltage, pinout) are not present in the source; consult the datasheet.
* Version-sensitive steps (e.g., driver libraries for Raspberry Pi or STM32) require user confirmation before implementation.

== Source and revision record ==
* [https://www.waveshare.com/wiki/4.2inch_e-Paper_Module 4.2inch e-Paper Module - Waveshare Wiki]
* Source revision: 103804
* Captured: 2026-08-30T03:37:38+00:00
* SHA-256: <code>b4ca1aa89163d80325c09f0fb24cca8decbc62d976ef6fde037699d4503e49a2</code>