-UNO R3 and its compatible motherboards can directly use it to display characters and graphics, BMP format pictures, can achieve touch control <br> -Compatibility: Since the logic level is 3.3V, it is directly compatible with the 3.3V UNO R3 motherboard, and a level conversion circuit needs to be added when connected to the 5V UNO R3 / Mega2560. <br> -Library: UTFT <br> -Driver chip: RM68130 <br> -Touch screen type: resistive touch screen <br> -Touch pen: 9cm in length <br> -Resolution: 176X220, 16-bit (262,000) color <br> -Display size: 2.2 inches <br> -Operating voltage: 3.3V <br> -Logic level: 3.3V <br> -Operating current: the maximum value is 150mA <br> -The LED pin can be used to connect the backlight control circuit to control the brightness of the backlight, or it can be directly connected to GND and always light the backlight LED <br> -Very suitable for making digital photo frames, oscilloscopes, function generators, detection system displays <br>