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: 37mm * 12.5mm * 12mm (L * W * H)
Colour:blue
Material:metal
EEPROM stands for electrically erasable programmable read only memory. It is a secondary storage device that once written (programmed) 
can hold data even when the power is removed. If you need more storage for your project, or you want to learn how to use EEPROM, then this module is designed for you. It supplies an extra