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WaveShare 2.66inch E-Paper Display Module (B) 296×152 Red/Black/White

WaveShare

WaveShare 2.66inch E-Paper Display Module (B) 296×152 Red/Black/White

SKU CH-QTG9-E6Z3N

A 2.66-inch red, black and white e-paper module with a 296×152 resolution, SPI interface and ultra-low power draw that retains its image without power

  • CPU TypeOther
  • No backlight, retains image without power
  • Ultra-low power, draws current only on refresh
  • SPI interface uses minimal I/O pins
  • 296×152 pixel red/black/white tri-colour display
  • Includes Pico C/C++ and MicroPython examples

Ideal for Low-Power Raspberry Pi Pico Projects

This 2.66inch e-paper module delivers a 296×152 red, black and white image through a 3-wire or 4-wire SPI link. It draws power only while refreshing, so a Pico can update the screen and then sleep. The paper-like surface stays readable without a backlight.

Sustained Operation Without Continuous Power

Once an image is written, the display holds it indefinitely with zero current draw. Refresh cycles consume energy briefly, then the driver returns to idle. This behaviour suits sensors, badges or status panels that update minutes or hours apart rather than every frame.

Check Voltage Level and Pin Budget Before Buying

The panel runs at 3.3V logic; 5V hosts need level shifting on the SPI lines. Two grey-scale levels limit shading to simple patterns. Verify your board exposes the required SPI pins and that your enclosure can fit the 2.66inch outline.

Highlights

  • No backlight, retains image without power
  • Ultra-low power, draws current only on refresh
  • SPI interface uses minimal I/O pins
  • 296×152 pixel red/black/white tri-colour display
  • Includes Pico C/C++ and MicroPython examples

Specifications

CPU TypeOther

Questions about this item

How much power does the 2.66inch e-paper draw when it runs all day?

Ultra low power consumption means the module only needs energy during a refresh; once the image is set it stays visible with no backlight and no further draw.

Which host board and voltage level do I need to drive the 296×152 SPI panel?

A 3.3 V microcontroller with a 3-wire or 4-wire SPI port — the supplier examples target Raspberry Pi Pico in C/C++ and MicroPython.

Will the red/black/white 296×152 display work alongside older 3.3 V SPI peripherals on the same bus?

Yes, the module uses standard 3-wire or 4-wire SPI at 3.3 V so it can share the bus with other 3.3 V SPI devices using separate chip-select lines.

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