Waveshare 2.9inch E-Ink Rev2.1 - S2 mini ESP32-S2

Waveshare 2.9inch E-Ink Rev2.1 - S2 mini ESP32-S2

Arduino Lib.: GxEPD2
Class: GxGDEH029A1
Pinout:
BUSY (purple)  39
RST  (white)   16
DC   (green)    5
CS   (orange)  12
CLK  (yellow)   7
DIN  (blue)    11
GND  (brown)  GND
VCC  (grey)   3v3

GxEPD2_BW<GxEPD2_290, GxEPD2_290::HEIGHT> display(GxEPD2_290(/*CS=*/ _CS_PIN, /*DC=*/ _DC_PIN, /*RST=*/ _RST_PIN, /*BUSY=*/ _BUSY_PIN));