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A 7.5 inch e-ink display HAT with a matte black and white screen and a 40 pin GPIO header

WaveShare

WaveShare 7.5inch E-Ink Display HAT 800x480 Black White SPI

SKU CH-1C9W-KW8GQ

A 7.5-inch E-Ink HAT with 800×480 black-and-white resolution, SPI interface and 3.3–5 V operation for Raspberry Pi and Jetson Nano

  • CPU TypeOther
  • 5 inch 800×480 black and white E-Ink for clear reading
  • Zero backlight holds the last image indefinitely without power
  • Ultra-low 38 mW refresh power and 170 µW standby for battery projects
  • SPI interface connects directly to Raspberry Pi 40-pin header and Jetson Nano
  • 3 V to 5 V operation suits 3.3 V logic and 5 V boards

7.5-inch E-Ink HAT for Raspberry Pi and Jetson Nano

This 7.5-inch E-Ink display HAT adds a paper-like screen to Raspberry Pi series boards and Jetson Nano through the standard 40-pin GPIO header. It targets makers and engineers who need persistent, low-power visual output without a constant video signal. The two-colour panel suits status dashboards, sensor readouts and simple graphics.

SPI interface with 800 × 480 resolution

Communication uses a four-wire SPI bus, so the host only needs a few GPIO lines for data and control. The active area measures 163.2 mm × 97.92 mm at a dot pitch of 0.205 mm × 0.204 mm, yielding 800 × 480 pixels in black and white. A full refresh typically takes five seconds and draws around 38 mW.

3.3 V to 5 V supply and no backlight required

The module operates from 3.3 V to 5 V, drawing power only during refresh cycles and consuming negligible standby current. Because it retains the last image without power, it frees the host processor for other tasks between updates. The 40-pin header passes through unused GPIO pins, leaving them available for additional HATs or sensors.

Highlights

  • 5 inch 800×480 black and white E-Ink for clear reading
  • Zero backlight holds the last image indefinitely without power
  • Ultra-low 38 mW refresh power and 170 µW standby for battery projects
  • SPI interface connects directly to Raspberry Pi 40-pin header and Jetson Nano
  • 3 V to 5 V operation suits 3.3 V logic and 5 V boards

Specifications

CPU TypeOther

Questions about this item

How does the 800×480 resolution look on the 7.5 inch panel?

The 7.5 inch screen gives a dot pitch of 0.205 × 0.204 mm, so text and simple graphics remain readable at normal viewing distances.

What does the SPI interface limit in practice?

SPI drives the panel at up to 38 mW during a full refresh that takes about 5 seconds, and the display needs only 3.3 V–5 V supply.

Will the 40-pin header fit my Raspberry Pi 4B?

The HAT uses the standard Raspberry Pi 40-pin GPIO extension header, matching Pi 4B, 3B+, 3B, 2B, Zero and Jetson Nano boards.

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