{"title":"7.5\" NFC-Powered e-Paper Display V2 – Wireless Power & Data Transfer","handle":"7-5-nfc-powered-e-paper-display-v2-wireless-power-data-transfer-ws-30537","url":"/products/7-5-nfc-powered-e-paper-display-v2-wireless-power-data-transfer-ws-30537","description":"This 7.5\" e-paper display is powered entirely via NFC — no batteries, no cables. Using passive near-field communication technology, it receives both power and image data wirelessly from an NFC-enabled smartphone or dedicated NFC reader board, making it a truly maintenance-free display solution.\n\nThe black-and-white display features 800×480 resolution with a >170° viewing angle and retains its image indefinitely without power. Content refresh takes approximately 5 seconds (plus data transfer time).\n\nKey Features\n\n\nNFC-Powered – No batteries or wired power required; draws power wirelessly via NFC\n\nWireless Data Transfer – Update display content from an NFC-enabled smartphone or reader\n\n800×480 Resolution – Sharp black-and-white display with 2 grey levels\n\nUltra-Wide Viewing Angle – Over 170° for clear visibility from any direction\n\nZero Standby Power – Image persists indefinitely without any power\n\n5-Second Refresh – Fast content update (excluding data transfer time)\n\n\nSpecifications\n\n\nPower Supply: Wireless (NFC)\n\nDisplay Colour: Black / White\n\nGrey Scale: 2 levels\n\nResolution: 800×480\n\nDot Pitch: 0.205 × 0.204 mm\n\nDisplay Area: 163.2 × 97.92 mm\n\nOutline Dimensions: 195.84 × 137.68 mm\n\nViewing Angle: >170°\n\nRefresh Time: 5 s (+ data transfer)\n\nWeight: 201 g\n\n\n\nNote: For optimal operation, an ST25R3911B NFC Board (sold separately) is recommended. Alternatively, a powerful NFC-enabled smartphone can be used for image updates.\n\n\nIdeal For\n\nBattery-free electronic shelf labels and price tags\nMaintenance-free digital signage\nAsset and equipment tagging\nConference name tags and badges\nIoT displays in hard-to-reach locations\n\n\nPackage Contents\n\n1× 7.5\" NFC-Powered e-Paper Display V2\n\n\nResources\n\nWaveshare Wiki – 7.5\" NFC-Powered e-Paper\n","vendor":"Waveshare","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":463,"title":"Default Title","sku":"WS-30537","mpn":"30537","price":121.0,"compare_at_price":0.0,"on_sale":false,"in_stock":true,"available_quantity":100,"option1":"Default Title"}]}