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WSAL17953 – 1.54inch NFC-Powered e-Paper (BW)/en

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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 1.54inch NFC-Powered e-Paper (BW) is a battery-free e-paper display with 200x200 resolution and a white case. It is powered and updated via NFC from a smartphone or reader.

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Technical overview

  • Resolution: 200 x 200 pixels; dot pitch 0.138 x 0.138 mm.
  • Display colors: Red, Black, White; viewing angle >170°.
  • Refresh time approx. 8 s (excluding transmission time).
  • Housing: ABS plastic shell with good strength and toughness.
  • No backlight required; the display retains the last content without power.
  • Power supplied exclusively via NFC; no built-in battery.
  • Use cases: equipment labels, shelf labels, information displays, keychains, business cards, decorations.
  • Android app compatibility: Android 4.0+; the source states the app does NOT support Samsung, Google, or Sony phones.

Notes and version constraints

  • The source contains no explicit command-line commands; therefore 'commands' remains empty.
  • Phone NFC must be enabled; do not move the phone during transmission.
  • Image resolution must match the display resolution (here 200x200); otherwise the image may not display correctly.
  • Working conditions: temperature 0–50 °C, humidity 35–65% RH.
  • Storage below 30 °C for up to 6 months; transport -25–70 °C for up to 10 days.
  • After unpacking: 20 °C ±5 °C, 50±5% RH; assemble within 72 hours.
  • If a refresh failure is reported, remove the reader and reposition it.

Source and revision record

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