Waveshare 4.2inch 400x300 3-Color E-Paper ModuleWaveshare 4.2inch e-Paper Module (B) is a three-color E-Ink display module with 400 x 300 resolution, an embedded controller, and SPI communication. It displays red,…
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Waveshare 4.2inch e-Paper Module (B) is a three-color E-Ink display module with 400 x 300 resolution, an embedded controller, and SPI communication. It displays red, black, and white, making it useful for clear low-power information panels, labels, embedded status screens, and controller-based display projects.
The module supports 3.3V to 5V operation, 3-wire SPI, and 4-wire SPI. E-Paper technology keeps the last screen content visible without continuous power, while power is mainly required during refresh. The official reference lists a 15s full refresh time, 26.4mW typical refresh power, <0.017mW standby power, and a >170 viewing angle.
For related Waveshare display options, compare the Waveshare 4.2inch 400×300 E-Paper Module, Waveshare 2.13inch 3-Color E-Paper HAT, and Waveshare 2.9inch 3-Color E-Paper Module. For a Raspberry Pi HAT format, see the Waveshare 2.13inch E-Paper HAT.
| Brand | Waveshare |
|---|---|
| Store SKU | Waveshare-13454 |
| Official SKU Reference | 13454 |
| Part Number | 4.2inch e-Paper Module (B) |
| Module Reference | WFT0420CZ15 reference from official listing title |
| Display Type | Three-color E-Ink / E-Paper display module |
| Display Size | 4.2inch |
| Resolution | 400 x 300 pixels |
| Display Colors | Red, black, and white |
| Grey Level | 2 |
| Controller | Embedded controller |
| Interface | 3-wire SPI or 4-wire SPI |
| Operating Voltage | 3.3V to 5V |
| Full Refresh Time | 15s reference |
| Refresh Power | 26.4mW typical reference |
| Standby Power | <0.017mW reference |
| Viewing Angle | >170 |
| Backlight | No backlight |
| Outline Dimension | 103.0 x 78.5mm reference |
| Compatible Controller Examples | Raspberry Pi, Arduino, Nucleo, and other SPI-capable controller boards |
| Display Retention | Keeps the last displayed content for a long time after power down |
| Package Weight Reference | 0.054kg |
| Item | Qty | Notes |
|---|---|---|
| Waveshare 4.2inch e-Paper Module (B) | 1 | 400 x 300 three-color E-Paper display module |
| Integrated driver board | 1 | Embedded controller board on the display module |
| Product packaging | 1 | Packaging may vary by shipment batch |
| Documentation reference | 1 | Use official digital resources for wiring, refresh behavior, and demo guidance |
It displays red, black, and white, with a 2-level grey reference.
The display resolution is 400 x 300 pixels on a 4.2inch E-Paper panel.
It communicates through SPI and supports 3-wire SPI or 4-wire SPI setups.
No continuous power is needed to keep the last displayed content visible, but stable power is required when refreshing the image.
No. The official full-refresh reference is 15s, so this module is better for low-power information displays that update occasionally.
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