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Displays - 3.6” - 7”
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 No Battery Required, No More Battery Life Trouble
Wireless NFC-Powered Display Refreshing
Passive NFC Solution, No Battery Required, No Messy Wiring, Stable Operation
How It Works
To Refresh The Display Content, Use A Smart Phone With NFC Function, Or An NFC Reader, Close To The E-Paper For Both Wireless Powering And Data Transfer
NFC Board Introduction
ST25R3911B NFC Chip, AT32F413RBT7 Controller, OLED Display, User Buttons, And Common Used Interfaces
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
Outline Dimensions
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