3 Pcs Prototype Expansion Board Compatible with R3 ProtoShield Fit for Arduino

Feature: 1. These prototype expansion board are compatible with R3. 2. The prototyping board comes with two LEDs and two button circuits that can be used at any time, with all pins and power supplies present. 3. Use with the duemilanove protoshield prototype expansion board. 4. Can be used to build circuit prototypes, which can be soldered directly on the board. 5. The board has good electric conductivity and low resistance. Specification: Item Type:Prototype Expansion Board Fit for Arduino R3. Package List: 3 x Expansion Board These prototype expansion board are compatible with R3. The prototyping board comes with two LEDs and two button circuits that can be used at any time, with all pins and power supplies present. Use with the duemilanove protoshield prototype expansion board. Can be used to build circuit prototypes, which can be soldered directly on the board. The board has good electric conductivity and low resistance.