**protoshield**\\ {{:protoshield_ladyada_type.jpg?300|}} {{:protoshield_sparkfun_type.jpg?300|}} Those shields can be mounted on top of an Arduino giving you room for a small circuit.\\ All Arduino pins are brought to the top level\\ 5V, GND, and Vin pins are exposed as well\\ 2 general use LEDs\\ 1 general use button\\ Reset button brought to top level\\ {{:protoshield-v25.pdf|schematic}}