4.2inch Passive NFC-Powered e-Paper Black/White e-Ink Display, No Battery Required, Wireless Powering and Data Transfer,Refreshed By Smartphone

Overview This is an NFC-powered 4.2inch e-Paper Module, with 400x300 resolution. Users can transmit data from smartphone or NFC reader to e-Paper and refresh by NFC. Features 4.2 inch NFC-Powered E-Paper ---Adopts Novel Passive NFC Technology.No Battery Required, No More Battery Life Trouble Wireless NFC-Powered Display Refreshing ---No Messy Wiring, Stable Operation, Fast Refreshing Feel The Magic ---Refreshed By Smartphone, Comes With Android App, As Easy As SwipingA Credit Card Refreshed by ST25R3911B NFC Board ---Recommended evaluation kit:4.2inch NFC e-Paper Eval Kit Application Examples Suitable For Price Tags, Asset/Equipment Tags, Shelf Labels, Conference Name Tags... Supported Smart Phones Most Android Phones With NFC Function Are Supported. Some Tested And Confirmed Devices Are Listed Below (Include But Not Limited To) 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. Specification Power: NFC-powered. Resolution: 400 x 300. Dot pitch: 0x212x 0x212 Refresh time: 4s Display colour: black, white Viewing angle: >170°. Outline dimension: 105 mm x 94.1 mm, 9.9 mm Display dimensions: 84.8 mm x 63.6 mm. Package Content 4.2 inch NFC-Powered e-Paper x1 Double-sided foam tape x2 Development Resources www.waveshare.com/wiki/4.2inch_NFC-Powered_e-Paper?Amazon