Using ST7789 TFT with ESP32 and LVGL

Tools

• resize image with: https://resizeimage.net/#google_vignette
• LVGL image converter to C array (True Color): https://docs.lvgl.io/master/overview/image.html

Configuration

Select these LVGL Configuration in $ idf.py menuconfig:

• Swap the 2 bytes of RGB565 color. Useful if the display has a 8-bit interface (e.g. SPI)
• Color depth 16 RGB565
• invert colors in display
• driver: st7789
• Max horizontal: 240
• Max Vertical: 300

Pinout

ESP32	ST7789 Display
GND	GND
3v3	VCC
D18	SCL
D23	SDA
D4	RES
D2	DC
D15	CS
3v3	BLK