90_epd_image

based on:

• https://github.com/soonuse/epd-library-arduino/tree/master/2.9inch_e-paper/epd2in9

display:

• manufacturer: buydisplay.com
• product: ER-EPM029-1R, 2.9 inch E-Paper display module Red/White/Black Color
• SSD1675 datasheet: https://cdn-learn.adafruit.com/assets/assets/000/092/748/original/SSD1675_0.pdf?1593792604

connections:

• VDD - 3V
• VSS - GND
• MOSI (SDA) - P1
• SCK (SCL) - P2
• /CS - P3
• /RST - P4
• BUSY - CH4
• D/C - (not used, 3 spi 9 bit mode, BS1=VDD, DC=VSS)