Waveshare 7.5" NFC-Powered e-Paper Evaluation Kit, Wireless Powering & Data Transfer (Not Compatible w/ Samsung)
Innovates with NFC-powered e-paper, wireless power & data
Features ARM Cortex-M4F core, wide interface support
Provides 800x480 resolution, 170° viewing angle
Includes OLED display, user buttons, comprehensive interface
Ideal for tags, labels, name tags, versatile applications
The Waveshare 7.5" NFC-Powered e-Paper Evaluation Kit, Wireless Powering & Data Transfer (Not Compatible w/ Samsung) is an innovative solution designed for seamless wireless operation without the need for a battery. This kit includes an NFC-powered e-paper display, an NFC reader, a micro SD card, and other essential accessories, making it ready for immediate use. Utilizing advanced passive NFC technology, the kit allows for wireless powering and data transfer, eliminating the complications associated with battery life and wiring.
The operation of this e-paper display is facilitated by bringing a smartphone with NFC capabilities or an NFC reader close to the device, enabling both power and data transfer wirelessly. It is important to note that this product is not compatible with Samsung smartphones.
The NFC board within the kit is equipped with an ST25R3911B NFC chip and an AT32F413RBT7 controller, featuring an ARM® 32-bit Cortex™-M4F core. This setup supports a variety of communication interfaces, including SPI, USART, I2C, CAN, USB, and SDIO, along with AD and DA converters. The board also includes a 1.3-inch OLED display, user buttons, and indicators, providing a comprehensive interface for various applications.
This evaluation kit is particularly suitable for applications such as price tags, asset or equipment tags, shelf labels, and conference name tags, offering a versatile solution for dynamic display needs. The e-paper display offers a high resolution of 800x480 with a wide viewing angle of over 170 degrees, ensuring clear visibility in various settings.
1x Waveshare 7.5" NFC-Powered e-Paper Evaluation Kit, Wireless Powering & Data Transfer (Not Compatible w/ Samsung)
Refresh Time: 5 seconds (data transfer time not included)
Dot Pitch: 0.205×0.204
Resolution: 800×480
Viewing Angle: Greater than 170°
NFC Chip: ST25R3911B, also known as AS3911B
Controller: AT32F413RBT7
Core: ARM® 32-bit Cortex™-M4F
Operating Frequency: 200 MHz
Operating Voltage: 2.0V-3.6V
Package: LQFP64
Memories: 128 kB Flash, 32 kB SRAM
Communication Interfaces: 2 x SPI, 5 x USART, 2 x I2C, 2 x CAN, 1 x USB, 1 x SDIO
AD & DA Converters: 2 x AD (12-bit, shares 16 channels)
SRAM: 23LC1024, 1 Mbit
USB to UART Converter: CP2102
Voltage Regulator: SPX3819, 3.3V
OLED Display: 1.3", blue display, 128×64 pixels, SH1106 driver
User Buttons: 4
User Indicators: 2
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
