OpenDisplay 4.26" Mono Kit
Ready-made Bluetooth e-paper display co-developed by Seeed Studio and OpenDisplay: a 4.26in black-and-white panel, a Seeed XIAO EN05 (nRF52840) driver board, a 2000 mAh battery and a 3D-printed case. Ships assembled with OpenDisplay firmware; works from the browser or Home Assistant over Bluetooth LE. No Wi-Fi.
Specifications
| Display | 4.26in, 800×480, black and white |
| Driver board | Seeed XIAO EN05 (nRF52840) |
| Battery | 2000 mAh rechargeable |
| Radio | Bluetooth LE (no Wi-Fi) |
| Firmware | OpenDisplay, preinstalled |
Projects Using OpenDisplay 4.26" Mono Kit1
Illustration
NRF52NRF52840
Open GPL-3.0 firmware that turns an nRF52840 or ESP32 e-paper board into a battery-friendly Bluetooth display you can flash from the browser and fill from Home Assistant. Seeed now sells two ready-made kits for it.
Beginner·Code
6 parts listed
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Compatible Alternatives
OpenDisplay 7.3" Color Kit
Bigger six-colour panel on an EN04 board; full refreshes only.
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