The Proto Terminal Blocks TinyShield from tinycircuits.com is a great way to add prototyping capabilities to your TinyDuino projects. This TinyShield features a terminal block and a prototyping area with solderable points, allowing you to quickly and easily add additional components and sensors to your project. With its small size and easy-to-use design, this TinyShield is the perfect prototyping tool for your next TinyDuino project.