Diagonal Screen Size:2.42" Resolution: 128 * 64 Driver IC: SSD1309 SPI interface definition: 1.GND (power ground) 2.VCC (power supply positive) 3.SCL (clock line) 4.SDA (data line) 5.RES (reset line) 6.DC (data / command) 7.CS (chip select) Seventh leg leads CS signal default; if not, you can go at this time R18 welding CS signal directly to ground. Operation is very convenience. Interface Selection: to choose SPI or IIC interface through R15, R17, R13 This module defaults to the SPI interface, R17 welding, R15, R13 is not welding |