Feature With this 128 x 64 LCD Display Module you can customize graphics symbols fonts by yourself Automatic power on resetInterface definition PIN1 VSSPIN2 VDDPIN3 PIN17 Adjustment of ContrastPIN4 PIN6 RS R W EPIN7 PIN14 D0 D7PIN15 Serial ParallelPIN16 NULLPIN18 Positive BacklightPIN19 Negative BacklightSpecification VDD 3 0V 5 5VClock rate 2MHzLCD type blueResolution 128 x 64Viewing angle 6 O ClockOperating temperature 20C 70CStorage temperature 30C 80CView area 70 0 x 38 8mm L x W Dots size 0 48 x 0 48mm L x W Dots pitch 0 52 x 0 52mm L x W Size 93 0 x 70 0 x 13 50mm L x W x H Application Widely used in the punch card machines Bus card machines UnionPay machines etc more used in industrial equipmentPackage included 3 x 12864 128 x 64 LCD display module blue