An E-Ink raw display, 4.2inch, 400x300 resolution, with embedded controller, communicating via SPI interface
with advantages like ultra low power consumption, wide viewing angle, clear display without electricity, it is an ideal choice for applications such as shelf label, industrial instrument, etc
No need for backlight, can keep the last screen display for a long time after disconnecting the power
Very low power consumption, basically only consumes power when refreshing
Provide complete supporting information manual (example program of Raspberry Pi/Jetson Nano/STM32 and schematic diagram of driver board)