Catalog > Internet of Things (IOT) Related Products > More Platforms Prototype Protoshield Expansion Board & Mini Breadboard Protoshield Prototype Expansion Board & Mini Breadboard for Arduino UNO / Duemilanove GTC ARDU PROTO SHIELD+BREADBOARD PROTOSHIELD PROTOTYPE EXPANSION BOARD WITH MINI BREAD BOARD FOR ARDUINO UNO/ DUEMILANOVE Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview Arduino ProtoShield prototype extension board including mini bread boardUsed together with the Arduino Duemilanove ProtoShield prototype extension board, used to build a prototype circuit, can be directly welded components on board, also be able to connect the mini bread plate above circuit.Through double-sided adhesive connection between bread plate and the circuit board, when sold are separate from the bread plate and the circuit board.ProtoShield prototype extension plate with two leds and button circuit, can be used directly, and all the pins and power have been draw out, very suitable for building prototype circuit with Arduino.