1.Small soldering area.

2.All Arduino pins are brought to the top level.

3.1 reset button, 1 general use button, and 2 LED circuits can be used directly.

4.5V, GND, and Raw pins are exposed as well.

5.SOIC place for IC.

6.The mini breadboard has 170 tie points.

7.The breadboard sticks on the prototype shield with its self-adhesive backing.

8.Prototype Size:7cm x 5.5cm x 2cm.

9.Mini breadboard size: 4.4 * 3.4 * 1cm.