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Rectangular 7.5 inch e-paper display HAT with 40 pin header and red black white tri-color screen

LORDWORLD

LORDWORLD 7.5inch Tri-color E-Paper Display HAT 800480 development board

SKU CH-MJJ9-GA8Y0

A 7.5inch tri-color e-paper HAT with 800480 resolution, SPI interface and 40-pin GPIO header for Raspberry Pi and Jetson Nano

  • Retains image without power thanks to no backlight
  • Ultra-low power draw — only needed during refresh
  • Works with 3.3 V and 5 V MCUs via onboard translator
  • Fits Raspberry Pi and Jetson Nano through 40-pin header
  • Connects to Pi, Jetson Nano or STM32 over SPI

7.5-inch Tri-colour E-Paper HAT

The LORDWORLD 7.5inch display HAT provides an 800480 tri-colour electronic paper screen showing red, black and white. It targets makers building low-power IoT edge devices, signage or instrumentation that must remain readable without constant power.

Simple GPIO and SPI Installation

The board mounts directly onto a standard Pi 40PIN GPIO extension header used by Raspberry Pi series boards and Jetson Nano. An onboard voltage translator handles 3.3V and 5V logic, so wiring mistakes are limited to incorrect SPI pin mapping or missing driver libraries.

Ultra-Low Power Sustained Operation

With no backlight the panel retains the last image indefinitely after power is removed. Power is drawn only during the refresh cycle, making the module suitable for battery-powered deployments that update infrequently over long periods.

Highlights

  • Retains image without power thanks to no backlight
  • Ultra-low power draw — only needed during refresh
  • Works with 3.3 V and 5 V MCUs via onboard translator
  • Fits Raspberry Pi and Jetson Nano through 40-pin header
  • Connects to Pi, Jetson Nano or STM32 over SPI

Specifications

BrandLORDWORLD

Questions about this item

How do I confirm the 7.5inch E-Paper HAT is refreshing correctly after wiring it to my Raspberry Pi?

Run a test script that sends a full-screen update over SPI; the display should show red, black and white patterns at 800480 resolution and retain the image after power is removed.

What comes in the box and which parts must I source separately?

The package includes the 7.5inch tri-colour E-Paper HAT with onboard voltage translator and 40PIN GPIO header; you must supply a Raspberry Pi, Jetson Nano or STM32 board and connecting wires.

Which controller voltage should I select for the 3.3V/5V compatible HAT?

The onboard translator works with both 3.3V and 5V MCUs, so choose the voltage that matches your host board — 3.3V for Pi or Jetson Nano, 5V for classic Arduino-compatible STM32 modules.

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