Powered byXIAO nRF52840 Plus, thedisplayboard 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 PlusWorks 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.

• 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

Wiki-XIAO ePaper Display Board EN04 Resources

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