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WSAL18057 – 3.7inch e-Paper HAT/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 3.7inch e-Paper HAT: display parameters, Raspberry Pi interfacing, and compatibility notes.

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Technical overview

  • The display is 480 × 280 pixels with a black-and-white panel supporting four grey scales.
  • Communication uses the SPI interface.
  • The module is a HAT that plugs directly onto a Raspberry Pi GPIO pin header.
  • Supported development environments include C and Python demos for Raspberry Pi, Jetson Nano, RDK X3, Arduino UNO R3, STM32 (via CubeMX), and ESP32/ESP8266.
  • Additional resources such as datasheets and demo projects are listed under “Resources” in the wiki.
  • Frequently asked questions about e-paper operation are available in the FAQ section.

Notes and version constraints

  • The exact pinout of the HAT is not visible from the source; consult the official pin map before soldering or connecting.
  • No specific driver commands or library names were provided in the text; these must be taken from the respective demo sources.
  • Compatibility with particular Raspberry Pi model generations is not explicitly confirmed in the source.
  • Electrical values such as operating voltage or current draw are missing; do not invent them.

Source and revision record

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