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We have ✅ 7 available of the EC-SEEP24C256 in our Sydney warehouse. An extra 100 units will be available shortly.

Express post delivery (2-5 business days)

If you need to do some data storage in Arduino but found that the EEPROM in ATmega chip too limited, then this I2C EEPROM module is your best choice. This module is based on the EEPROM chip AT24C256, which has 256k bit capacity. It communicate with Arduino with I2C bus, helps you do much more data storage easily.


  • Onboard chip AT24C256 chip
  • Onboard the I2C communications required pull-up resistor
  • All pins are leads and marked
  • PCB board Dimensions : 36.5 (mm) x12 (mm)


  • IIC/I2C Serial Interface Module *1
  • 20cm cable * 4

Download & External Link

AT24C256 Arduino Demo Code

AT24C256 Datasheet

I2C EEPROM Introduction on Arduino

The I2C EEPROM Module- AT24C256 appears in the following collections: