Description
- 1x Waveshare 4.2" NFC-Powered e-Paper Evaluation Kit, Wireless Powering & Data Transfer (Not Compatible w/ Samsung)
- 1x 4.2-inch NFC-powered e-paper
- 1x ST25R3911B NFC board
- 1x Micro SD card 16GB
- 1x Micro SD card reader
- 1x USB-A to Micro-B cable
- Outline Dimension: 105.1 x 94.1 mm
- Display Size: 84.8 x 63.6 mm
- Power Supply: Wireless
- Grey Scale: 2
- Display Color: Black/White
- Refresh Time: 4 seconds (data transfer time not included)
- Dot Pitch: 0.212×0.212
- Resolution: 400×300
- Viewing Angle: Greater than 170°
- NFC Board Introduction: ST25R3911B NFC Chip, AT32F413RBT7 Controller, OLED Display, User Buttons, Common Interfaces
- 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)
- ST25R3911B: NFC chip, also known as AS3911B
- 23LC1024: SRAM, 1 Mbit
- CP2102: USB to UART converter for debugging
- SPX3819: 3.3V voltage regulator
- 1.3" OLED: Blue display, 128×64 pixels, SH1106 driver
- 4 user buttons
- 2 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
Estimate shipping
WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov.