Driver chip SSD1309 Support interface SPI Resolution 128×64 Display size inches 1.54 Display Color White/Blue/Yellow/Green Overall dimension 42.04×37(mm) Glass size 42.04×27.22×1.45(mm) Display area 35.052×17.516(mm) Dot spacing 0.274×0.274(mm) Dot size 0.254×0.254(mm) Number of pins 7 pins Power consumption Normal display power consumption is 21mA-28MAX Working current The current is about 20ma during normal operation, and the current is at the ua level during sleep. Perspective Full Perspective Working temperature -20℃~70℃ Storage temperature -30℃~80℃ Working voltage 3.3-5.5V Interface definition