This is an E-Ink display HAT for Raspberry Pi, 2.13inch, 250x122 resolution, with embedded controller, communicating via SPI interface, supports partial refresh.
Due to the advantages like ultra low power consumption, wide viewing angle, great effect under sunlight, it is an ideal choice for applications such as shelf label, industrial instrument, and so on.
|DIN||SPI MOSI pin|
|CLK||SPI SCK pin|
|CS||SPI chip selection, low active|
|DC||Data/Command selection (high for data, low for command)|
|RST||External reset, low active|
|BUSY||Busy status output, low active|