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Small rectangular e-paper display module with matte black-and-white screen

WaveShare

WaveShare 2.7inch Passive NFC-Powered E-Paper Module

SKU CH-R97R-F7TCH

Battery-free 2.7inch e-paper display updates wirelessly via NFC from a smartphone or reader in seconds

  • CPU TypeOther
  • No battery needed thanks to passive NFC power
  • Wireless content updates from an NFC smartphone in seconds
  • Android app included for easy display refresh
  • Black-and-white e-paper readable in bright light
  • Ideal for price tags, asset labels and name badges

Passive NFC E-Paper Display

The WaveShare 2.7inch module is a passive NFC-powered e-paper display that requires no battery or wired power supply. It targets developers and integrators building battery-free signage such as price tags, asset labels, shelf markers or conference badges. Content is refreshed by tapping an NFC-enabled smartphone or a dedicated NFC reader against the module. An Android application is supplied for creating and pushing updates.

Refresh Behaviour Under Sustained Use

Each update completes in a few seconds when the NFC field is present, drawing all required energy from the coupling itself. Because the display is bi-stable, the last written image remains visible indefinitely without any power draw between refreshes. Continuous operation is therefore limited only by the availability of an NFC source; there is no internal cell to deplete or recharge over time.

Build And Mounting Implications

The unit ships as a bare e-paper module with an integrated NFC antenna, eliminating battery compartments and power cabling. This reduces mechanical bulk and removes a common failure point in long-term deployments. Mounting holes or adhesive points are not described in the supplied data, so enclosure design and physical attachment must be planned separately. The lack of wiring suits sealed or tamper-evident installations where a battery door would compromise the housing.

Highlights

  • No battery needed thanks to passive NFC power
  • Wireless content updates from an NFC smartphone in seconds
  • Android app included for easy display refresh
  • Black-and-white e-paper readable in bright light
  • Ideal for price tags, asset labels and name badges

Specifications

CPU TypeOther

Questions about this item

How much heat does the 2.7inch passive NFC module generate when refreshed continuously all day?

The display draws power only from the NFC field during a refresh, so it produces no measurable heat while idle and only a brief, negligible amount during the few-second update.

What device must I already own to update the 2.7inch e-paper display?

An NFC-enabled smartphone running the supplied Android app, or any standard NFC reader, is required to power and transfer new content to the module.

Will the 2.7inch NFC-powered e-paper work alongside older RFID tags or readers I keep in the same area?

Yes, it operates on standard NFC frequencies and does not interfere with nearby legacy RFID equipment; each tag is addressed individually during its own refresh cycle.

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