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Waveshare 4.2inch NFC-Powered e-Paper Evaluation Kit
NFC E-Paper Eval Kit 4.2"
4.2" NFC-Powered E-Paper Evaluation Kit
Comes With NFC-Powered E-Paper, NFC Reader, Micro SD Card, And Essential Accessories, Ready-To-Use
4.2" NFC-Powered E-Paper
Adopts Novel Passive NFC Technology
Wireless NFC-Powered Display Refreshing
Passive NFC Solution, No Battery Required, No Messy Wiring, Stable Operation
How It Works
To Refresh The Display Content,
NFC Board Introduction
ST25R3911B NFC Chip, AT32F413RBT7 Controller,
AT32F413RBT7
Core: ARM® 32-bit Cortex™-M4F
Operating Frequency: 200MHz
Operating Voltage: 2.0V-3.6V
Package: LQFP64
Memories: 128kB Flash, 32kB SRAM
Communication Interfaces: 2 x SPI, 5 x USART, 2 x I2C, 2 x CAN, 1 x USB, 1x SDIO
AD & DA Converters: 2 x AD (12-bit, shares 16 channels)
ST25R3911B: NFC chip, aka AS3911B
23LC1024: SRAM, 1Mbit
CP2102: USB TO UART converter, for debugging
SPX3819: 3.3V voltage regulator
1.3" OLED: blue display, 128×64 pixels, SH1106 driver
4x user buttons: 2x user indicators MCU unused pins USB TO UART port Micro SD slot SWD programming interface NFC induction coil UART 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
Features:
Rounded Metal Border, Nice Looking, Stunning Quality
Passive NFC Solution, No Battery Required, No Messy Wiring
Wireless Powering & Data Transfer
Features Corner Hang Hole, Ideal For Handbag Decoration, Key Fob, Etc.
Suitable For Smartphone / Key Fob, Contact Card QR Code, Hanging Ornament...
Wireless Powering & Data Transfer
To Refresh The Display Content, Use A Smart Phone With NFC Function, Or An NFC Reader, Close To The E-Paper, It'll Be Done In A Few Seconds
Specifications
Power Supply: Wireless
Grey Scale: 2
Display Color: Black / White
Refresh Time: 4s (data transfer time is not included)
Dot Pitch: 0.212×0.212
Display Size: 84.8mm×63.6mm
Resolution: 400×300
Outline Dimension: 105.1mm×94.1mm
Viewing Angle >170°
Package Contains: 1x Waveshare 4.2inch NFC-Powered e-Paper Evaluation Kit
Development resources: Wiki: www.waveshare.com/wiki/4.2inch_NFC-Powered_e-Paper
Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device
{"id":6817728495702,"title":"Waveshare 4.2inch NFC-Powered e-Paper Evaluation Kit","handle":"waveshare-4-2inch-nfc-powered-e-paper-evaluation-kit","description":"\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003eNFC E-Paper Eval Kit\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"hilitBlock\"\u003e4.2\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003ch3 class=\"richDesc\" style=\"text-align: center;\"\u003e4.2\" NFC-Powered E-Paper Evaluation Kit\u003c\/h3\u003e\n\u003ch4 class=\"richDesc\" style=\"text-align: center;\"\u003e\u003cspan style=\"color: #b90810;\"\u003eComes With NFC-Powered E-Paper, NFC Reader, Micro SD Card, And Essential Accessories, Ready-To-Use\u003c\/span\u003e\u003c\/h4\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0014\/4313\/5560\/files\/4.2inch-NFC-e-Paper-Eval-Kit-1_960.jpg?v=1664977191\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 class=\"richTitle\" style=\"text-align: center;\"\u003e4.2\" NFC-Powered E-Paper\u003c\/h3\u003e\n\u003ch4 class=\"richDesc\" style=\"text-align: center;\"\u003eAdopts Novel Passive NFC Technology\u003cbr\u003eNo Battery Required, No More Battery Life Trouble\u003c\/h4\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0014\/4313\/5560\/files\/4.2inch-NFC-Powered-e-Paper-Details-01.jpg?v=1664977252\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003ch3 class=\"richTitle\" style=\"text-align: center;\"\u003eWireless NFC-Powered Display Refreshing\u003c\/h3\u003e\n\u003cdiv class=\"richDesc\" style=\"text-align: center;\"\u003ePassive NFC Solution, No Battery Required, No Messy Wiring, Stable Operation\u003c\/div\u003e\n\u003cdiv class=\"richDesc\" style=\"text-align: center;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0014\/4313\/5560\/files\/4.2inch-NFC-Powered-e-Paper-Details-02.jpg?v=1664977278\"\u003e\u003c\/div\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003ch3 class=\"richTitle\" style=\"text-align: center;\"\u003eHow It Works\u003c\/h3\u003e\n\u003cp class=\"richDesc\" style=\"text-align: center;\"\u003eTo Refresh The Display Content,\u003cbr\u003eUse A Smart Phone With NFC Function, Or An NFC Reader,\u003cbr\u003eClose To The E-Paper For Both Wireless Powering And Data Transfer\u003c\/p\u003e\n\u003cp class=\"richDesc\" style=\"text-align: center;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0014\/4313\/5560\/files\/4.2inch-NFC-Powered-e-Paper-Details-03.jpg?v=1664977408\"\u003e\u003c\/p\u003e\n\u003ch3 class=\"richTitle\" style=\"text-align: center;\"\u003eNFC Board Introduction\u003c\/h3\u003e\n\u003cp class=\"richDesc\" style=\"text-align: center;\"\u003eST25R3911B NFC Chip, AT32F413RBT7 Controller,\u003cbr\u003eOLED Display, User Buttons, And Common Used Interfaces\u003c\/p\u003e\n\u003cp class=\"richDesc\" style=\"text-align: center;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0014\/4313\/5560\/files\/ST25R3911B-NFC-Board-intro.jpg?v=1664977489\"\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eAT32F413RBT7\u003c\/strong\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCore:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eARM® 32-bit Cortex™-M4F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Frequency:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e200MHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e2.0V-3.6V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eLQFP64\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMemories:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e128kB Flash, 32kB SRAM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication Interfaces:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e2 x SPI, 5 x USART, 2 x I2C, 2 x CAN, 1 x USB, 1x SDIO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAD \u0026amp; DA Converters:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e2 x AD (12-bit, shares 16 channels)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eST25R3911B:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNFC chip, aka AS3911B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e23LC1024:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSRAM, 1Mbit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCP2102:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUSB TO UART converter, for debugging\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSPX3819:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e3.3V voltage regulator\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.3\" OLED:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eblue display, 128×64 pixels, SH1106 driver\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e4x user buttons:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2x user indicators\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMCU unused pins\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eUSB TO UART port\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMicro SD slot\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSWD programming interface\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eNFC induction coil\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eUART pin configuration\u003c\/strong\u003e\u003c\/li\u003e\n\u003col\u003e\n\u003cli\u003eRXD: connected to RXD2 by default, changeable to RXD1 via 0Ω resistor\u003c\/li\u003e\n\u003cli\u003eTXD: connected to TXD2 by default, changeable to TXD1 via 0Ω resistor\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003ch3\u003eFeatures:\u003c\/h3\u003e\n\u003cdiv style=\"text-align: center;\" data-mce-style=\"text-align: center;\"\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003eRounded Metal Border, Nice Looking, Stunning Quality\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003ePassive NFC Solution, No Battery Required, No Messy Wiring\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003eWireless Powering \u0026amp; Data Transfer\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003eFeatures Corner Hang Hole, Ideal For Handbag Decoration, Key Fob, Etc.\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003eSuitable For Smartphone \/ Key Fob, Contact Card QR Code, Hanging Ornament...\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"richDesc\"\u003eWireless Powering \u0026amp; Data Transfer\u003c\/h3\u003e\n\u003cp class=\"richDesc subBlock\"\u003eTo Refresh The Display Content, Use A Smart Phone With NFC Function, Or An NFC Reader, Close To The E-Paper, It'll Be Done In A Few Seconds\u003c\/p\u003e\n\u003cimg style=\"float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0014\/4313\/5560\/files\/1.54inch-NFC-Powered-e-Paper-BW-5_960.jpg?v=1664970118\"\u003e\n\u003ch2 style=\"text-align: center;\"\u003eSpecifications\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0014\/4313\/5560\/files\/4.2inch-NFC-Powered-e-Paper-Details-05.jpg?v=1664977708\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003ePower Supply: Wireless\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003eGrey Scale: 2\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003eDisplay Color: Black \/ White\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003eRefresh Time: \u003cmeta charset=\"utf-8\"\u003e \u003cspan data-mce-fragment=\"1\"\u003e4s (data transfer time is not included)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003eDot Pitch: \u003cmeta charset=\"utf-8\"\u003e \u003cspan data-mce-fragment=\"1\"\u003e0.212×0.212\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003eDisplay Size: \u003cmeta charset=\"utf-8\"\u003e \u003cspan data-mce-fragment=\"1\"\u003e84.8mm×63.6mm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003eResolution: \u003cmeta charset=\"utf-8\"\u003e \u003cspan data-mce-fragment=\"1\"\u003e400×300\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003eOutline Dimension: \u003cmeta charset=\"utf-8\"\u003e \u003cspan data-mce-fragment=\"1\"\u003e105.1mm×94.1mm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003eViewing Angle \u0026gt;170°\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003cp style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003e\u003cstrong\u003ePackage Contains:\u003c\/strong\u003e 1x Waveshare 4.2inch NFC-Powered e-Paper Evaluation Kit\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eOutline Dimensions\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0014\/4313\/5560\/files\/4.2inch-NFC-Powered-e-Paper-size.jpg?v=1664977591\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0014\/4313\/5560\/files\/ST25R3911B-NFC-Board-size.jpg?v=1664977603\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eDevelopment resources:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eWiki:\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003ca href=\"http:\/\/www.waveshare.com\/wiki\/4.2inch_NFC-Powered_e-Paper\" data-mce-fragment=\"1\" target=\"_blank\" data-mce-href=\"http:\/\/www.waveshare.com\/wiki\/4.2inch_NFC-Powered_e-Paper\"\u003ewww.waveshare.com\/wiki\/4.2inch_NFC-Powered_e-Paper\u003c\/a\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e","published_at":"2022-12-06T11:02:06+05:30","created_at":"2022-10-05T19:05:16+05:30","vendor":"Waveshare","type":"","tags":["1.54","1.54inch","17765","200","200x200","arduino display","black","DEV-KIT","Digital display","DISP2","Display","Display Module","dpi","E-ink","e-ink display","E-paper","ELC2","epaper","full color display","inch","Interface","Module","paper","passive","powered","red","resolution","screen","SPI","SPI display","three","three color","WaveSH","Waveshare","white","WVSH"],"price":739999,"price_min":739999,"price_max":739999,"available":true,"price_varies":false,"compare_at_price":889999,"compare_at_price_min":889999,"compare_at_price_max":889999,"compare_at_price_varies":false,"variants":[{"id":40085998764118,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"ELC2085","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Waveshare 4.2inch NFC-Powered e-Paper Evaluation Kit","public_title":null,"options":["Default Title"],"price":739999,"weight":200,"compare_at_price":889999,"inventory_management":"shopify","barcode":"40085998764118","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/products\/4.2inch-nfc-e-paper-eval-kit-1.jpg?v=1664977180","\/\/thinkrobotics.com\/cdn\/shop\/products\/st25r3911b-nfc-board-1_1_1_1_1.jpg?v=1664977180","\/\/thinkrobotics.com\/cdn\/shop\/products\/4.2inch-nfc-powered-e-paper-6_4.jpg?v=1664977180","\/\/thinkrobotics.com\/cdn\/shop\/products\/st25r3911b-nfc-board-2_1_1_1_1.jpg?v=1664977180","\/\/thinkrobotics.com\/cdn\/shop\/products\/4.2inch-nfc-powered-e-paper-3.jpg?v=1664977180"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/products\/4.2inch-nfc-e-paper-eval-kit-1.jpg?v=1664977180","options":["Title"],"media":[{"alt":null,"id":23413925019734,"position":1,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/4.2inch-nfc-e-paper-eval-kit-1.jpg?v=1664977180"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/4.2inch-nfc-e-paper-eval-kit-1.jpg?v=1664977180","width":800},{"alt":null,"id":23413924954198,"position":2,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/st25r3911b-nfc-board-1_1_1_1_1.jpg?v=1664977180"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/st25r3911b-nfc-board-1_1_1_1_1.jpg?v=1664977180","width":800},{"alt":null,"id":23413924986966,"position":3,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/4.2inch-nfc-powered-e-paper-6_4.jpg?v=1664977180"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/4.2inch-nfc-powered-e-paper-6_4.jpg?v=1664977180","width":800},{"alt":null,"id":23413924921430,"position":4,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/st25r3911b-nfc-board-2_1_1_1_1.jpg?v=1664977180"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/st25r3911b-nfc-board-2_1_1_1_1.jpg?v=1664977180","width":800},{"alt":null,"id":23413924888662,"position":5,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/4.2inch-nfc-powered-e-paper-3.jpg?v=1664977180"},"aspect_ratio":1.0,"height":800,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/products\/4.2inch-nfc-powered-e-paper-3.jpg?v=1664977180","width":800}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch2 class=\"richTitle\" style=\"text-align: center;\"\u003eNFC E-Paper Eval Kit\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"hilitBlock\"\u003e4.2\"\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003ch3 class=\"richDesc\" style=\"text-align: center;\"\u003e4.2\" NFC-Powered E-Paper Evaluation Kit\u003c\/h3\u003e\n\u003ch4 class=\"richDesc\" style=\"text-align: center;\"\u003e\u003cspan style=\"color: #b90810;\"\u003eComes With NFC-Powered E-Paper, NFC Reader, Micro SD Card, And Essential Accessories, Ready-To-Use\u003c\/span\u003e\u003c\/h4\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0014\/4313\/5560\/files\/4.2inch-NFC-e-Paper-Eval-Kit-1_960.jpg?v=1664977191\"\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3 class=\"richTitle\" style=\"text-align: center;\"\u003e4.2\" NFC-Powered E-Paper\u003c\/h3\u003e\n\u003ch4 class=\"richDesc\" style=\"text-align: center;\"\u003eAdopts Novel Passive NFC Technology\u003cbr\u003eNo Battery Required, No More Battery Life Trouble\u003c\/h4\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0014\/4313\/5560\/files\/4.2inch-NFC-Powered-e-Paper-Details-01.jpg?v=1664977252\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003ch3 class=\"richTitle\" style=\"text-align: center;\"\u003eWireless NFC-Powered Display Refreshing\u003c\/h3\u003e\n\u003cdiv class=\"richDesc\" style=\"text-align: center;\"\u003ePassive NFC Solution, No Battery Required, No Messy Wiring, Stable Operation\u003c\/div\u003e\n\u003cdiv class=\"richDesc\" style=\"text-align: center;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0014\/4313\/5560\/files\/4.2inch-NFC-Powered-e-Paper-Details-02.jpg?v=1664977278\"\u003e\u003c\/div\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003ch3 class=\"richTitle\" style=\"text-align: center;\"\u003eHow It Works\u003c\/h3\u003e\n\u003cp class=\"richDesc\" style=\"text-align: center;\"\u003eTo Refresh The Display Content,\u003cbr\u003eUse A Smart Phone With NFC Function, Or An NFC Reader,\u003cbr\u003eClose To The E-Paper For Both Wireless Powering And Data Transfer\u003c\/p\u003e\n\u003cp class=\"richDesc\" style=\"text-align: center;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0014\/4313\/5560\/files\/4.2inch-NFC-Powered-e-Paper-Details-03.jpg?v=1664977408\"\u003e\u003c\/p\u003e\n\u003ch3 class=\"richTitle\" style=\"text-align: center;\"\u003eNFC Board Introduction\u003c\/h3\u003e\n\u003cp class=\"richDesc\" style=\"text-align: center;\"\u003eST25R3911B NFC Chip, AT32F413RBT7 Controller,\u003cbr\u003eOLED Display, User Buttons, And Common Used Interfaces\u003c\/p\u003e\n\u003cp class=\"richDesc\" style=\"text-align: center;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0014\/4313\/5560\/files\/ST25R3911B-NFC-Board-intro.jpg?v=1664977489\"\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eAT32F413RBT7\u003c\/strong\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCore:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eARM® 32-bit Cortex™-M4F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Frequency:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e200MHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e2.0V-3.6V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eLQFP64\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMemories:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e128kB Flash, 32kB SRAM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication Interfaces:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e2 x SPI, 5 x USART, 2 x I2C, 2 x CAN, 1 x USB, 1x SDIO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAD \u0026amp; DA Converters:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e2 x AD (12-bit, shares 16 channels)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eST25R3911B:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNFC chip, aka AS3911B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e23LC1024:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSRAM, 1Mbit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCP2102:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUSB TO UART converter, for debugging\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSPX3819:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e3.3V voltage regulator\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.3\" OLED:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eblue display, 128×64 pixels, SH1106 driver\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e4x user buttons:\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e2x user indicators\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMCU unused pins\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eUSB TO UART port\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMicro SD slot\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSWD programming interface\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eNFC induction coil\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eUART pin configuration\u003c\/strong\u003e\u003c\/li\u003e\n\u003col\u003e\n\u003cli\u003eRXD: connected to RXD2 by default, changeable to RXD1 via 0Ω resistor\u003c\/li\u003e\n\u003cli\u003eTXD: connected to TXD2 by default, changeable to TXD1 via 0Ω resistor\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003ch3\u003eFeatures:\u003c\/h3\u003e\n\u003cdiv style=\"text-align: center;\" data-mce-style=\"text-align: center;\"\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003eRounded Metal Border, Nice Looking, Stunning Quality\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003ePassive NFC Solution, No Battery Required, No Messy Wiring\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003eWireless Powering \u0026amp; Data Transfer\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003eFeatures Corner Hang Hole, Ideal For Handbag Decoration, Key Fob, Etc.\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003eSuitable For Smartphone \/ Key Fob, Contact Card QR Code, Hanging Ornament...\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"richDesc\"\u003eWireless Powering \u0026amp; Data Transfer\u003c\/h3\u003e\n\u003cp class=\"richDesc subBlock\"\u003eTo Refresh The Display Content, Use A Smart Phone With NFC Function, Or An NFC Reader, Close To The E-Paper, It'll Be Done In A Few Seconds\u003c\/p\u003e\n\u003cimg style=\"float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0014\/4313\/5560\/files\/1.54inch-NFC-Powered-e-Paper-BW-5_960.jpg?v=1664970118\"\u003e\n\u003ch2 style=\"text-align: center;\"\u003eSpecifications\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0014\/4313\/5560\/files\/4.2inch-NFC-Powered-e-Paper-Details-05.jpg?v=1664977708\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003ePower Supply: Wireless\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003eGrey Scale: 2\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003eDisplay Color: Black \/ White\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003eRefresh Time: \u003cmeta charset=\"utf-8\"\u003e \u003cspan data-mce-fragment=\"1\"\u003e4s (data transfer time is not included)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003eDot Pitch: \u003cmeta charset=\"utf-8\"\u003e \u003cspan data-mce-fragment=\"1\"\u003e0.212×0.212\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003eDisplay Size: \u003cmeta charset=\"utf-8\"\u003e \u003cspan data-mce-fragment=\"1\"\u003e84.8mm×63.6mm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003eResolution: \u003cmeta charset=\"utf-8\"\u003e \u003cspan data-mce-fragment=\"1\"\u003e400×300\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003eOutline Dimension: \u003cmeta charset=\"utf-8\"\u003e \u003cspan data-mce-fragment=\"1\"\u003e105.1mm×94.1mm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003eViewing Angle \u0026gt;170°\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003cp style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003e\u003cstrong\u003ePackage Contains:\u003c\/strong\u003e 1x Waveshare 4.2inch NFC-Powered e-Paper Evaluation Kit\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eOutline Dimensions\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0014\/4313\/5560\/files\/4.2inch-NFC-Powered-e-Paper-size.jpg?v=1664977591\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0014\/4313\/5560\/files\/ST25R3911B-NFC-Board-size.jpg?v=1664977603\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: left;\" data-mce-style=\"text-align: left;\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eDevelopment resources:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eWiki:\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003ca href=\"http:\/\/www.waveshare.com\/wiki\/4.2inch_NFC-Powered_e-Paper\" data-mce-fragment=\"1\" target=\"_blank\" data-mce-href=\"http:\/\/www.waveshare.com\/wiki\/4.2inch_NFC-Powered_e-Paper\"\u003ewww.waveshare.com\/wiki\/4.2inch_NFC-Powered_e-Paper\u003c\/a\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e"}
{
"product_id": 6817728495702,
"variant_id" : 40085998764118,
"variant_available" : true,
"inventory_quantity" : 3,
"inventory_management" : "shopify",
"inventory_policy" : "continue",
"image": "//thinkrobotics.com/cdn/shop/products/4.2inch-nfc-e-paper-eval-kit-1.jpg?v=1664977180",
"price": "739999",
"title": "Default Title",
"value": "Default Title"
}
India
---
Australia
Canada
India
Mexico
United States
