How to get Waveshare 7.5" e-Ink Tri-Color Display Working

  1. Attach the e-ink screen as detailed:
VCC    ->    PIN2
GND    ->    PIN6
DIN    ->    PIN19 (GPIOX_8)
CLK    ->    PIN23 (GPIOX_11)
CS     ->    PIN24 (GPIOX_10)
DC     ->    PIN29 (GPIOX_17)
RST    ->    PIN31 (GPIOX_18)
BUSY   ->    PIN18 (GPIOX_15)
  1. Follow instructions at https://www.waveshare.com/wiki/7.5inch_e-Paper_HAT_(B)_Manual but using the command make LIBRETECH -j4 EPD=epd7in5bV2