Features: 1. 1.9 inch LCD expansion board 2. 170 x 320 resolution, 262K color, can clearly display color pictures 3. Built in ST7789V2 driver chip, using SPI interface for communication 4. Use SPI control to that it does not occupy too much interface pin resources, and it can be connected to the for //STM32 and other main control boards 5. On board level conversion chip, compatible with 3.3V/5V power input Specifications: Product name: LCD display Screen size: 1.9 inches Resolution: 170 x 320 pixels Display size: 22.70 x 42.72mm Pixel size: 0.1335 x 0.1335mm Working voltage: 3.3V/5V Communication interface: 4-wire SPI Display panel: IPS Control chip: ST7789V2 Product size: 27.3 x 51.2mm Material: PCB colour: blue Package Contents: 1 x 1.9 inch LCD Module 1 x GH1.25 8PIN connecting line 20cm Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.