Powered by XIAO nRF52840 Plus, the display board EN04 supports both 24-pin and 50-pin ePaper displays. It features a JST 2.0 mm battery connector with power switch, built-in charging IC, and comes with one reset and three user buttons. Well-suited for low-power ePaper projects such as digital signage, electronic labels, and portable information boards.
- Powered by XIAO nRF52840 Plus：Works immediately when connected to a compatible ePaper display, with onboard NFC for tap-to-configure, pairing, or triggering content updates.
- Versatile Display Support: Compatible with a wide range of ePaper screens, supporting both 24-Pin and 50-Pin interfaces with easy switching via jumper caps.
- BAT Connector with Switch: Provides simple battery connection and integrates a switch, enabling efficient power management and energy savings.
- User-Friendly Buttons: Includes 1 reset button and 3 user-programmable buttons, offering flexibility for project acceleration and customizable functions.
- Compatible with Various Software Platforms: Whether you prefer coding with Arduino, Platform IO, ESPHome and more, this driver board both approaches, providing maximum flexibility for your projects.
Parameter | Description |
Processor | XIAO nRF52840 Plus |
ePaper Connector | FPC 24 Pin 0.5mm FPC 50 Pin 0.5mm |
Battery Connector | JST 2.0mm |
Switch | Battery Power ON/OFF |
Power Supply | - 3.7V Li-Battery - USB Type-C |
Button | -1x Reset button -3x User button |
- Smart Name Badge: Create battery-powered ePaper name tags for events or offices, updated via NFC tap or wireless connection, with buttons to switch profiles or display QR codes.
- Dynamic Price Tags: Build low-power retail labels that show prices, stock levels, or promotions on differernt size ePaper, updated periodically without needing constant power.
- Meeting Room Signage: Use as status boards for meeting rooms, showing booking info, occupant name, or “Do Not Disturb” states, with buttons to quickly change modes.
- Portable Checklist Board: Make handheld task boards or packing lists that keep their content even when powered off.
ePaper Board Selection Guide
Product | ||||
Processor | XIAO ESP32-S3 Plus | XIAO nRF52840 Plus | XIAO Series | XIAO Series |
Compatible ePaper Displays | 24 Pin ePaper 50Pin epaper | 24 Pin ePaper 50Pin epaper | 24 Pin ePaper | 24 Pin ePaper |
ePaper Connector | FPC 24 Pin ，0.5mm FCP 50 Pin , 0.5mm | FPC 24 Pin ，0.5mm FCP 50 Pin , 0.5mm | FPC 24 Pin 0.5mm | FPC 24 Pin 0.5mm |
Battery Connector | JST 2.0mm | JST 2.0mm | / | JST 2.0mm |
Switch | Battery Power ON/OFF | Battery Power ON/OFF | / | Battery Power ON/OFF |
Button | 1x Reset button 3x User button | 1x Reset button 3x User button | / | / |
Extension IO Port | / | / | √ | √ |
Wiki-XIAO ePaper Display Board EN04 Resources
XIAO ePaper Display Board EN04 | ×1 |
| HSCODE | 8543909000 |
| USHSCODE | 8543903500 |
| UPC | |
| EUHSCODE | 8543709099 |
| COO | CHINA |
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