waveshare
A golang library for eInk Paper display from waveshare ( www.waveshare.com)
There are lot of ePaper displays available online.
Pin Diagram
VCC 3.3V
GND Ground
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, high active
# PI3
RST_PIN = 17 // GPIO_17
DC_PIN = 25 // GPIO_25
CS_PIN = 8 // GPIO_8
BUSY_PIN = 24 // GPIO_24