4.2inch NFC-Powered e-Paper Evaluation Kit

Description

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 Adopts Novel Passive NFC Technology No Battery Required, No More Battery Life Trouble Passive NFC Solution, No Battery Required, No Messy Wiring, Stable Operation 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 ST25R3911B NFC Chip, STM32F103R Controller, OLED Display, User Buttons, And Common Used Interfaces