Hey,
I can not operate my waveshare 7.5''.
board : Arduino MKR WAN 1300
E-Ink : waveshare 7.5'' B - V2 - 3 SPI or 4 SPI communication modes
E-Ink is connected with E-Paper Driver HAT with the settings B (> 2.9'') and 0 (4-line-SPI)
code : pd7in5b_V2-demo.ino
pins :
BUSY --> D10 (MISO)
RST --> D4
DC --> D3
CS --> D5
CLK --> D9 (SCK)
DIN --> D8 (MOSI)
GND --> GND
3.3V --> 3.3V
I hope you can help me