SYRDUINO LCD shield for Arduino

This is an easy to use “user interfacing circuit” for Arduino or SYRDUINO board.
Features:
-It includes a 2x16 LCD display.
-6 push buttons.
-DC speaker.
-Only 2 pins needed to communicate with it using I2C bus.
-Up to 4 circuits can be connected to to same Arduino compatibe circuit.
-Easy to use software library with examples.

Circuit description:
1-2X16 Alphanumiric LCD display.
2-DC speaker.
3-6 momentary push buttons.
4.-LCD contrast potentiometer.
5-Circuit Address jumpers.
6-Data and power connectors.
7-Atmega8 AVR mcu.