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// mapping suggestion for ESP32, e.g. LOLIN32, see .../variants/.../pins_arduino.h for your board
// NOTE: there are variants with different pins for SPI ! CHECK SPI PINS OF YOUR BOARD/
/ BUSY -> 4, RST -> 16, DC -> 17, CS -> SS(5), CLK -> SCK(18), DIN -> MOSI(23), GND -> GND, 3.3V -> 3.3V// mapping of Waveshare ESP32 Driver Board
// BUSY -> 25, RST -> 26, DC -> 27, CS-> 15, CLK -> 13, DIN -> 14
// NOTE: this board uses "unusual" SPI pins and requires re-mapping of HW SPI to these pins in SPIClass
//       see example GxEPD2_WS_ESP32_Driver.ino, it shows how this can be done easily
// mapping suggestion for ESP32, e.g. LOLIN32 D32 PRO
// BUSY -> 15, RST -> 2, DC -> 0, CS -> 5, CLK -> SCK(18), DIN -> MOSI(23), GND -> GND, 3.3V -> 3.3V
// note: use explicit value for CS, as SS is re-defined to TF_CS(4) in pins_arduino.h for Board: "LOLIN D32 PRO"// mapping suggestion for ESP32, e.g. TTGO T8 ESP32-WROVER
// BUSY -> 4, RST -> 0, DC -> 2, CS -> SS(5), CLK -> SCK(18), DIN -> MOSI(23), GND -> GND, 3.3V -> 3.3V
// for use with Board: "ESP32 Dev Module":

ÎÒÓÐÒ»¸ö NodeMCU ESP32£¬ËùÒÔÎÒ°´ÈçÏ·½Ê½Á¬½ÓËü£¨ÏÔʾ --> ESP32£©£ºBUSY --> D4¡¢RST --> RX2¡¢DC --> TX2¡¢CS --> D5¡¢CLK --> D18¡¢DIN --> D23£¬½ÓµØ --> ½ÓµØ£¬VCC --> 3V3

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Ê×ÏÈ£¬ÄúÐèÒª°²×°¿â GxEPD2 ºÍ U8g2_for_Adafruit_GFX£¨Sketch --> Include Library --> Manage Libraries --> search the name of the library --> click install£©¡£