Features of this module:
1. Support a variety of single-chip microcomputers, without any wiring
2.Integrated voltage regulator IC, support 5V or 3.3V power supply
3.Onboard level conversion scheme, compatible with 5V / 3.3V IO level,
    Supports various microcontroller IO connections
4. Integrated SD card expansion circuit,
5. Reserved SPI FLASH font library circuit, easy to expand applications

1.44 inch SPI serial screen with backplane module, only 4 IO drivers
Screen size: 1.44 inch SPI serial bus
Resolution: 128 * 128
Driver IC: ST7735

1.8 inch SPI serial screen with backplane module, only 4 IO drivers required
Screen size: 1.8 inch SPI serial bus
Resolution: 128 * 160
Driver IC: ST7735

2.0 inch SPI serial screen with backplane module, at least only 4 IO drivers required
Screen size: 2.0 inch SPI serial bus
Resolution: 176 * 220
Driver IC: ILI9225

2.2 inch SPI serial screen with backplane module, at least only 5 IO drivers are required
Screen size: 2.2 inch SPI serial bus
Resolution: 240 * 320
Driver IC: ILI9341

2.8-inch SPI serial screen with backplane module, only requires at least 9 IO drivers
Screen size: 2.8 inch SPI serial bus
Resolution: 240 * 320
Driver IC: ILI9341