This one has no CS (chip select) pin, its internally attached to GND: ST7789 TFT display without CS pin The following image shows a ST7789 display module provided by Adafruit Industries: Adafruit ST7789 TFT display moduleĪnother version of the ST7789 display module is shown below. This module works with 3.3V only and it doesn’t support 5V (not 5V tolerant). This display is an IPS display, it comes in different sizes (1.3″, 1.54″ …) but all of them should have the same resolution of 240×240 pixel, this means it has 57600 pixels. It’s a color display that uses SPI interface protocol and requires 3, 4 or 5 control pins, it’s low cost and easy to use. The ST7789 TFT module contains a display controller with the same name: ST7789. This Arduino tutorial shows how to interface the UNO board with ST7789 TFT display.
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