2.9 inch passive NFC electronic ink screen evaluation kit without battery wireless power supply & brush diagram
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2.9 inch passive NFC electronic ink screen evaluation kit without battery wireless power supply & brush diagram

$58.00
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2.9inch Passive NFC-Powered e-Paper Evaluation Kit, No Battery, Wireless Powering & Data TransferNFC e-Paper Eval Kit 2.9"2.9" NFC-Powered e-Paper Evaluation KitComes with NFC-Powered e-Paper, NFC reader, Micro SD card, and essential accessoriesReady-to-Use2.9" NFC-Powered e-PaperAdopts novel passive NFC technologyNo battery required, no more battery life troubleWireless NFC-Powered Display RefreshingPassive NFC solution, No Battery Required, No messy wiring, stable operationHow it worksTo 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 transferNFC Board IntroductionST25R3911B NFC chip, STM32F103R controller, OLED display, user buttons, and common used interfacesSTM32F103RBT6Core: ARM 32-bit Cortex -M3Operating Frequency: 72MHzOperating Voltage: 2.0V-3.6VPackage: LQFP64Memories: 128kB Flash, 20kB SRAMCommunication Interfaces: 2 x SPI, 3 x USART, 2 x I2C, 1 x CAN, 1 x USBAD & DA Converte

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