Waveshare 4.37 inch 512×368 E-Paper Module

1. Rated power: 3.3V/5V
2. Interface: 3-wire SPI, 4-wire SPI
3. Full refresh time: 341
4. Refresh power: about 61.7mW
5. Dot pitch: 0.176 × 0.176mm
6. Standby current: about 0.01uA
7. Without backlight, the last content can be displayed for a long time even if the power is cut off.
8. Ultra-low power consumption, basically only need to refresh.
9. SPI interface for connecting Raspberry Pi / Jetson Nano / Arduino / STM32 and other controller boards.
10. On-board voltage converter, compatible with 3.3V/5V MCU.