{"product_id":"waveshare-42-nfc-powered-e-paper-evaluation-kit-wireless-powering-data-transfer-not-compatible-w-samsung","title":"Waveshare 4.2\" NFC-Powered e-Paper Evaluation Kit, Wireless Powering \u0026 Data Transfer (Not Compatible w\/ Samsung)","description":"\u003cdiv class=\"product-block-list__item product-block-list__item--description details_product\"\u003e\u003cdiv class=\"card\"\u003e\n\u003cdiv class=\"card__header\"\u003e\r\n\u003ch2 class=\"card__title heading h3\"\u003eDescription\u003c\/h2\u003e\r\n\u003c\/div\u003e\n\u003cdiv class=\"card__section expandable-content desc-view-more\" id=\"main-description\"\u003e\n\u003cdiv class=\"rte text--pull\"\u003e\n\u003cul\u003e\n\u003cli\u003eWaveshare 4.2\" NFC-Powered e-Paper Evaluation Kit, Wireless Powering \u0026amp; Data Transfer (Not Compatible w\/ Samsung)\u003c\/li\u003e\n\u003cli\u003eEliminates battery concerns with NFC-powered display\u003c\/li\u003e\n\u003cli\u003eIncludes NFC reader and micro SD for immediate use\u003c\/li\u003e\n\u003cli\u003eFeatures 400x300 resolution and \u0026gt;170° viewing angle\u003c\/li\u003e\n\u003cli\u003eOffers multiple interfaces with ST25R3911B and AT32F413RBT7\u003c\/li\u003e\n\u003cli\u003eIdeal for tags and labels with stable, wireless operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe \u003cstrong\u003eWaveshare 4.2\" NFC-Powered e-Paper Evaluation Kit, Wireless Powering \u0026amp; Data Transfer (Not Compatible w\/ Samsung)\u003c\/strong\u003e is an innovative solution for those seeking a battery-free display technology. This kit utilizes passive NFC technology, enabling wireless powering and data transfer without the need for a battery, thus eliminating concerns about battery life and messy wiring. The e-paper display can be refreshed using a smartphone with NFC capability or an NFC reader, providing a seamless and stable operation.\u003c\/p\u003e\n\u003cp\u003eThe kit includes an NFC-powered e-paper display, an NFC reader, a micro SD card, and other essential accessories, making it ready for immediate use. The NFC board features the ST25R3911B NFC chip and the AT32F413RBT7 controller, which are integral to its operation. The board also includes an OLED display, user buttons, and commonly used interfaces, enhancing its functionality and ease of use.\u003c\/p\u003e\n\u003cp\u003eThis e-paper evaluation kit is particularly suitable for applications such as price tags, asset or equipment tags, shelf labels, and conference name tags. Its display offers a resolution of 400x300 with a viewing angle greater than 170 degrees, ensuring clear visibility. The kit's design and functionality make it a versatile tool for various labeling and tagging needs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cbutton class=\"expandable-content__toggle\" aria-expanded=\"false\" aria-controls=\"main-description\"\u003e\u003cspan class=\"expandable-content__toggle-icon\"\u003e\u003c\/span\u003e\u003cspan class=\"expandable-content__toggle-text\" data-view-more=\"View more\" data-view-less=\"View less\"\u003eView more\u003c\/span\u003e\u003c\/button\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"card details_product\"\u003e\n\u003cbutton class=\"card__collapsible-button\" data-action=\"toggle-collapsible\" aria-expanded=\"false\" aria-controls=\"unique-tab-2\"\u003e\r\n\u003cspan class=\"card__title heading h3\"\u003eWhat's Included\u003c\/span\u003e\r\n\u003cspan\u003e\r\n\u003csvg focusable=\"false\" class=\"icon icon--arrow-bottom\" viewbox=\"0 0 12 8\" role=\"presentation\"\u003e\r\n\u003cpath stroke=\"currentColor\" stroke-width=\"2\" d=\"M10 2L6 6 2 2\" fill=\"none\" stroke-linecap=\"square\"\u003e\u003c\/path\u003e\r\n\u003c\/svg\u003e\r\n\u003c\/span\u003e\r\n\u003c\/button\u003e\r\n\u003cdiv id=\"unique-tab-2\" class=\"card__collapsible\"\u003e\r\n\u003cdiv class=\"card__collapsible-content\"\u003e\r\n\u003cdiv class=\"rte text--pull\"\u003e\r\n\u003cul\u003e\n\u003cli\u003e1x Waveshare 4.2\" NFC-Powered e-Paper Evaluation Kit, Wireless Powering \u0026amp; Data Transfer (Not Compatible w\/ Samsung)\u003c\/li\u003e\n\u003cli\u003e1x 4.2-inch NFC-powered e-paper\u003c\/li\u003e\n\u003cli\u003e1x ST25R3911B NFC board\u003c\/li\u003e\n\u003cli\u003e1x Micro SD card 16GB\u003c\/li\u003e\n\u003cli\u003e1x Micro SD card reader\u003c\/li\u003e\n\u003cli\u003e1x USB-A to Micro-B cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"card details_product\"\u003e\n\u003cbutton class=\"card__collapsible-button\" data-action=\"toggle-collapsible\" aria-expanded=\"false\" aria-controls=\"unique-tab-3\"\u003e\r\n\u003cspan class=\"card__title heading h3\"\u003eDimensions\u003c\/span\u003e\r\n\u003cspan\u003e\r\n\u003csvg focusable=\"false\" class=\"icon icon--arrow-bottom\" viewbox=\"0 0 12 8\" role=\"presentation\"\u003e\r\n\u003cpath stroke=\"currentColor\" stroke-width=\"2\" d=\"M10 2L6 6 2 2\" fill=\"none\" stroke-linecap=\"square\"\u003e\u003c\/path\u003e\r\n\u003c\/svg\u003e\r\n\u003c\/span\u003e\r\n\u003c\/button\u003e\r\n\u003cdiv id=\"unique-tab-3\" class=\"card__collapsible\"\u003e\r\n\u003cdiv class=\"card__collapsible-content\"\u003e\r\n\u003cdiv class=\"rte text--pull\"\u003e\r\n\u003cul\u003e\n\u003cli\u003eOutline Dimension: 105.1 x 94.1 mm\u003c\/li\u003e\n\u003cli\u003eDisplay Size: 84.8 x 63.6 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"card details_product\"\u003e\n\u003cbutton class=\"card__collapsible-button\" data-action=\"toggle-collapsible\" aria-expanded=\"false\" aria-controls=\"unique-tab-4\"\u003e\r\n\u003cspan class=\"card__title heading h3\"\u003eLinks\u003c\/span\u003e\r\n\u003cspan\u003e\r\n\u003csvg focusable=\"false\" class=\"icon icon--arrow-bottom\" viewbox=\"0 0 12 8\" role=\"presentation\"\u003e\r\n\u003cpath stroke=\"currentColor\" stroke-width=\"2\" d=\"M10 2L6 6 2 2\" fill=\"none\" stroke-linecap=\"square\"\u003e\u003c\/path\u003e\r\n\u003c\/svg\u003e\r\n\u003c\/span\u003e\r\n\u003c\/button\u003e\r\n\u003cdiv id=\"unique-tab-4\" class=\"card__collapsible\"\u003e\r\n\u003cdiv class=\"card__collapsible-content\"\u003e\r\n\u003cdiv class=\"rte text--pull\"\u003e\r\n\u003cp\u003e\u003cstrong\u003eWebsite\u003c\/strong\u003e\u003c\/p\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.waveshare.com\/wiki\/4.2inch_NFC-Powered_e-Paper\" target=\"_blank\"\u003e4.2inch NFC-Powered e-Paper Evaluation Kit, Wireless Powering \u0026amp; Data Transfer - Product Wiki\u003c\/a\u003e\u003c\/li\u003e\n\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"card details_product\"\u003e\n\u003cbutton class=\"card__collapsible-button\" data-action=\"toggle-collapsible\" aria-expanded=\"false\" aria-controls=\"unique-tab-7\"\u003e\r\n\u003cspan class=\"card__title heading h3\"\u003eSpecifications\u003c\/span\u003e\r\n\u003cspan\u003e\r\n\u003csvg focusable=\"false\" class=\"icon icon--arrow-bottom\" viewbox=\"0 0 12 8\" role=\"presentation\"\u003e\r\n\u003cpath stroke=\"currentColor\" stroke-width=\"2\" d=\"M10 2L6 6 2 2\" fill=\"none\" stroke-linecap=\"square\"\u003e\u003c\/path\u003e\r\n\u003c\/svg\u003e\r\n\u003c\/span\u003e\r\n\u003c\/button\u003e\r\n\u003cdiv id=\"unique-tab-7\" class=\"card__collapsible\"\u003e\r\n\u003cdiv class=\"card__collapsible-content\"\u003e\r\n\u003cdiv class=\"rte text--pull\"\u003e\r\n\u003cul\u003e\n\u003cli\u003ePower Supply: Wireless\u003c\/li\u003e\n\u003cli\u003eGrey Scale: 2\u003c\/li\u003e\n\u003cli\u003eDisplay Color: Black\/White\u003c\/li\u003e\n\u003cli\u003eRefresh Time: 4 seconds (data transfer time not included)\u003c\/li\u003e\n\u003cli\u003eDot Pitch: 0.212×0.212\u003c\/li\u003e\n\u003cli\u003eResolution: 400×300\u003c\/li\u003e\n\u003cli\u003eViewing Angle: Greater than 170°\u003c\/li\u003e\n\u003cli\u003eNFC Board Introduction: ST25R3911B NFC Chip, AT32F413RBT7 Controller, OLED Display, User Buttons, Common Interfaces\u003c\/li\u003e\n\u003cli\u003eAT32F413RBT7: Core: ARM® 32-bit Cortex™-M4F, Operating Frequency: 200 MHz, Operating Voltage: 2.0V-3.6V, Package: LQFP64, Memories: 128 kB Flash, 32 kB SRAM, Communication Interfaces: 2 x SPI, 5 x USART, 2 x I2C, 2 x CAN, 1 x USB, 1 x SDIO, AD \u0026amp; DA Converters: 2 x AD (12-bit, shares 16 channels)\u003c\/li\u003e\n\u003cli\u003eST25R3911B: NFC chip, also known as AS3911B\u003c\/li\u003e\n\u003cli\u003e23LC1024: SRAM, 1 Mbit\u003c\/li\u003e\n\u003cli\u003eCP2102: USB to UART converter for debugging\u003c\/li\u003e\n\u003cli\u003eSPX3819: 3.3V voltage regulator\u003c\/li\u003e\n\u003cli\u003e1.3\" OLED: Blue display, 128×64 pixels, SH1106 driver\u003c\/li\u003e\n\u003cli\u003e4 user buttons\u003c\/li\u003e\n\u003cli\u003e2 user indicators\u003c\/li\u003e\n\u003cli\u003eMCU unused pins\u003c\/li\u003e\n\u003cli\u003eUSB to UART port\u003c\/li\u003e\n\u003cli\u003eMicro SD slot\u003c\/li\u003e\n\u003cli\u003eSWD programming interface\u003c\/li\u003e\n\u003cli\u003eNFC induction coil\u003c\/li\u003e\n\u003cli\u003eUART pin configuration: RXD connected to RXD2 by default, changeable to RXD1 via 0Ω resistor; TXD connected to TXD2 by default, changeable to TXD1 via 0Ω resistor\u003c\/li\u003e\n\u003c\/ul\u003e\n\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Waveshare","offers":[{"title":"Default Title","offer_id":49797485658448,"sku":"RB-Wav-1015","price":82.49,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0573\/1486\/9416\/files\/pp_3883782.webp?v=1774281074","url":"https:\/\/eu.robotshop.com\/products\/waveshare-42-nfc-powered-e-paper-evaluation-kit-wireless-powering-data-transfer-not-compatible-w-samsung","provider":"RobotShop Europe","version":"1.0","type":"link"}