PRICES MAY VARY. Customizable Prototyping Platform: The Arduino Proto Shield REV3 UNO Size [TSX00083] provides a flexible prototyping area for creating custom circuits directly on your Arduino UNO. It features a blank PCB with rows of pads, making it easy to solder additional components for rapid experimentation and circuit development. Designed for Arduino UNO: Specifically designed to fit the standard Arduino UNO board, this proto shield allows you to easily add components and expand the functionality of your projects. Simply stack the shield on top of your UNO, and you’re ready to begin prototyping. Breadboard-Compatible Design: With a layout that is compatible with most standard breadboards, the Proto Shield REV3 offers an easy transition between breadboard-based designs and permanent