1. On-board for :bit interface, which can be directly inserted for use2. LCD built-in driver chip ST7735S, support 65K color3. Onboard external SRAM chip 23LC1024, which can be used as video memory, no worry about insufficient memory4. Use the SPI interface to that it does not occupy too many interface pin resources5. Backlight brightness can be controlled by PWM. Reserve all control interface pads for easy access to main control boards such as for /NucleoLCD size: 1.8 inchesDriver chip: ST7735SResolution: 160x128Display color: RGB, 65K colorWorking voltage: 3.3VDimensions: 61 x 51.5mmcolor:BlueMaterial:PCBPackage Contents:1 x 1.8 inch LCD display expansion board moduleOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.