2PCS New AT24C256 I2C IIC Interface EEPROM Memory Module 8P Chip Power Supply Indicator Pull Up Resistor Direct Jumper Setting Onboard 8P-chip carrier, can support AT24C256 series chips; Pin power supply, on-board power indicator; on-board pull-up resistor for I2C communications required ; All pins leads out and be marked, the address input and the write-protect pin direct jumper settings; PCB board size: 36.5 (mm) x12 (mm)