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Small rectangular e-paper module 2.13inch 250×122 black white SPI

LORDWORLD

LORDWORLD 2.13inch E-Paper Display Module 250×122 Black/White SPI

SKU CH-AP1K-PDF32

A 2.13 inch e-paper display module with a 250×122 black-and-white resolution, SPI interface and ultra-low power consumption that retains images without power

  • Keeps last image visible without power because it has no backlight
  • Draws power only during refresh for ultra-low consumption
  • SPI interface uses minimal IO pins on the host
  • 250×122 pixel resolution on a 2.13 inch panel
  • Two-colour black and white output for clear text and graphics

Purpose and audience

This 2.13inch E-Paper display module shows 250×122 pixels in black and white and connects through an SPI interface. It is built for makers and developers adding a persistent readout to Raspberry Pi Pico or similar microcontroller projects. The screen needs no backlight and holds its last image without power. Buyers who want colour, greyscale or a higher pixel count should look elsewhere.

Thermals noise and power

The panel draws current only while refreshing, so average consumption stays extremely low. With no backlight and no active cooling, the module runs silently and produces no measurable heat during normal updates. This behaviour makes it suitable for battery-powered or energy-harvesting devices that must operate for long periods between charges.

Bundled value

The SPI connection uses minimal IO pins, leaving the rest of the microcontroller free for sensors, radios or other peripherals. Partial refresh support lets software update small areas quickly without a full-screen redraw, reducing both update time and energy use. These traits simplify firmware design for low-power data loggers, badge displays or status indicators.

商品特色

  • Keeps last image visible without power because it has no backlight
  • Draws power only during refresh for ultra-low consumption
  • SPI interface uses minimal IO pins on the host
  • 250×122 pixel resolution on a 2.13 inch panel
  • Two-colour black and white output for clear text and graphics

商品規格

BrandLORDWORLD

商品問答

How do I wire the SPI pins to a Raspberry Pi Pico and which pin is the one people forget?

Connect the module's SPI pins — SCK, MOSI, CS, DC, RST and BUSY — to matching Pico GPIOs; the BUSY line is the one most builders omit, yet the driver must poll it before sending the next frame.

What part of the display will degrade first and need replacement?

The electrophoretic film itself ages over many refresh cycles; once contrast fades or ghosting becomes permanent the whole 2.13inch module must be swapped because the film is not user-replaceable.

How many full-screen updates can I do per minute before the panel becomes the bottleneck?

A full 250×122 refresh takes several hundred milliseconds, so sustained updates are limited to roughly one or two per second; the panel's refresh time is the first limit you hit.

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