https://wiki.jw-tech.eu/index.php?action=history&feed=atom&title=WSAL31888_%E2%80%93_1.54inch_NFC-Powered_e-Paper_%28G%29%2Fen 2026-10-23T22:00:36Z Versionsgeschichte dieser Seite in JW Tech Wiki MediaWiki 1.43.9 https://wiki.jw-tech.eu/index.php?title=WSAL31888_%E2%80%93_1.54inch_NFC-Powered_e-Paper_(G)/en&diff=1686&oldid=prev 2026-09-05T22:34:47Z

<p>Freigegebene technische Dokumentation veröffentlicht; Text-only und noindex</p> <p><b>Neue Seite</b></p><div>__NOINDEX__<br /> &#039;&#039;&#039;Documentation notice:&#039;&#039;&#039; 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.<br /> <br /> == Summary ==<br /> The module combines a 1.54-inch e-paper display with 200×200 resolution and NFC powering without a battery. Content is updated wirelessly via an NFC-enabled phone or reader.<br /> <br /> == Related products at JW Tech ==<br /> * [https://shop.jw-tech.eu/p/WSAL31888 WSAL31888 – 1.54inch Passive NFC-Powered e-Paper (G), Red / Yellow / Black / White 4-color Displaying, No Battery, Wireless Powering &amp;amp;amp; Data Transfer, Silver Metal Border]<br /> <br /> == Technical overview ==<br /> * Resolution: 200 × 200 pixels; dot pitch 0.135 × 0.135 mm.<br /> * Display colors: red, black, white, yellow.<br /> * Powered solely by NFC; no battery required.<br /> * Refresh time approximately 15 seconds.<br /> * Viewing angle greater than 170 degrees.<br /> * Outline dimensions: 47.84 mm × 41.28 mm; active display size 27.00 mm × 27.00 mm.<br /> * ABS plastic housing with good strength and toughness.<br /> * Device access password: 12345678.<br /> <br /> == Notes and version constraints ==<br /> * According to the source, the app does not support Samsung, Google, or Sony devices; verify compatibility before use.<br /> * Enable NFC on the phone; do not move the device during transfer because NFC range is limited.<br /> * Image resolution must match the 200×200 display resolution or refresh may fail.<br /> * Operating conditions: temperature 0–50°C, humidity 35–65% RH; storage below 30°C and below 55% RH for up to 6 months; transport at −25–70°C for up to 10 days.<br /> * After unpacking: operate at 20°C ± 5°C and 50 ± 5% RH; complete assembly within 72 hours.<br /> * The ST25R3911B NFC board requires a Micro USB connection to a PC or 5 V supply and a TF card containing a monochrome bitmap; exact commands are not fully specified in the source.<br /> * Version-sensitive steps and possible app changes should be confirmed by technical staff before deployment.<br /> <br /> == Source and revision record ==<br /> * [https://www.waveshare.com/wiki/1.54inch_NFC-Powered_e-Paper_(G) 1.54inch NFC-Powered e-Paper (G) - Waveshare Wiki]<br /> * Source revision: 103621<br /> * Captured: 2026-08-29T08:35:15+00:00<br /> * SHA-256: &lt;code&gt;35727768859cdb634f6f57f473d6a36406c4f895d0e29181204e1ed85e50cc53&lt;/code&gt;</div>

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