esp32驱动4.2寸三色墨水屏
# esp32驱动4.2寸三色墨水屏
演示

实践
引脚
- GND ---> G
- 3.3V ---> 3v
- RES ---> D4 ---> GPIO4
- BUSY ---> D16 ---> GPIO16
- DC ---> D2 ---> GPIO2
- SPI
- SCL ---> D18 ---> GPIO18··························
- SDI ---> D23 ---> GPIO23 (MOSI)
- CS ---> D5 ---> GPIO5

驱动屏幕
通过 GxEPD2 库驱动
cpp
GxEPD2_3C<GxEPD2_420c_GDEY042Z98, GxEPD2_420c_GDEY042Z98::HEIGHT> display(GxEPD2_420c_GDEY042Z98(/*CS=5*/ 5, /*DC=*/ 2, /*RST=*/ 4, /*BUSY=*/ 19));通过 waveshare 库驱动
E-Paper ESP32 Driver Board - Waveshare Wiki
