Overview
This is a universal driver board for connecting Arduino/NUCLEO and e-Paper raw panels, can be used to drive various SPI interface e-Paper from Waveshare.
Features
- Standard Arduino connectivity, compatible with host boards like UNO, Leonardo, NUCLEO, XNUCLEO
- Onboard voltage translator, compatible with 3.3V/5V MCUs
- Onboard external RAM, more available space
- Micro SD slot, images can be stored on TF card for displaying
- Reserved control interface, for connecting with other control boards/li>
- Comes with development resources and manual (examples for Arduino/STM32)
Specifications
- Operating voltage: 3.3V/5V
- Interface: 3-wire SPI, 4-wire SPI (default)
- Outline dimension: 53.34mm × 53.34mm
Interface
| PIN | ARDUINO/NUCLEO PIN | DESCRIPTION |
|---|---|---|
| VCC | 5V | Power |
| GND | GND | Ground |
| SCK | SCK | SPI clock input |
| MOSI | MOSI | SPI data input |
| MISO | MISO | SPI data output |
| EPD_CS | D10 | e-Paper chip selection |
| EPD_DC | D9 | e-Paper data/command |
| EPD_RST | D8 | e-Paper reset |
| EPD_BUSY | D7 | e-Paper busy |
| SD_CS | D6 | SD card chip selection |
| SPIRAM_CS | D5 | SPI RAM chip selection |
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