WSAL18136 – 2.7inch NFC-Powered e-Paper Module/en
Documentation notice: This technical documentation was independently rewritten from an archived supplier source. Check technical details and commands against the product version and manufacturer documentation before use.
Summary
The 2.7inch passive NFC-powered e-paper module displays content without its own power source. Image information is transmitted wirelessly via NFC from a smartphone or NFC reader and displayed on the screen.
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Technical overview
- Display resolution: 264 x 176 pixels
- Dot pitch: 0.217 mm x 0.217 mm
- Display color: Black/White
- Refresh time: approx. 6 s
- Viewing angle: greater than 170°
- ABS plastic housing with good strength and toughness
- No backlight required; e-paper retains last content for extended periods without power
- Suitable for equipment labels, shelf labels, and information display
- Power supplied solely via NFC wireless energy transfer
- Companion Android app for editing and managing display content
Notes and version constraints
- According to the source, the provided app does NOT support Samsung, Google, or Sony smartphones.
- NFC functionality must be enabled on the phone before use.
- Do not move the device during transmission and refresh because NFC communication range is limited.
- Rev2.2 uses a new NFC chip and fast flashing method; update the latest mobile app and ST25R3911B NFC Board program before use.
- Image files must be monochrome BMP format and exactly match the display resolution; otherwise display may fail.
- After unpacking, maximum storage time is 72 hours at 20°C ± 5°C and 50% RH ± 5% RH; assemble within this window.
Source and revision record
- 2.7inch NFC-Powered e-Paper Module - Waveshare Wiki
- Source revision: 99245
- Captured: 2026-09-01T03:05:01+00:00
- SHA-256:
cf4923f8b344c6ded6b9e339ba35e66395bbd0896c2b00f8dfcf7d640cf48e1c