Item Type: 1.54in IPS Display Module Material: Organic Light Emitting Diode Screen Size: 1.54 inches Resolution: 128 x 64 Drive IC: For SPD0301; Compatible with for SSD1309 Voltage: 3.3V-5V SPI Interface Definition: GND: Power ground VCC: Power supply positive SCL: Clock line SDA: Data cable RES: Reset line DC: Data, commands CS: Chip selection (if not used, it can be directly grounded) 1EXCELLENT DISPLAY: Organic material layer is thin, lighter, and more flexible, without glass structure. The bright screen provides clear and intuitive display. Self luminescent, low power consumption. 2EASY TO INSTALL: Small in size, this display module can be installed with various DIY electronic components. 3STANDARD SIZE: The 1.54in display module has reasonable installation size and display size, convenient and practical. 4WIDELY USED: This display module is suitable for instruments and meters, industrial controllers, communication equipment, medical instruments, financial equipment, GPS navigation scheduling, POS terminals and office automation equipment, text messaging machines, power automation, monitoring, teaching equipment, as well as display terminals in fields such as beauty instruments, small household appliances, smart homes, intelligent water, electricity, and heat meters. 5IDEAL REPLACEMENT: Wonderful replacement for the old and damaged parts, fine workmanship, attention to details, helps you improve the working efficiency! 1 x1.54in IPS Display Module 1 x Pin Header