Data Logger PCB
AT24Cxxx group of I2C EEPROM with possibility to set address and write protect mode.
Digital Pin: 20, 21 (as SDA, SCL)
Power Pin: GND, +5V (see supported function)
Arduino library DpI2CEEPROM library. PLease use example Simple .
Arduino library i2ceeprom also available from URL http://arduino.cc/playground/Main/LibraryForI2CEEPROM
Please use example I2C_demo.pde