Features: Enhances your projects with this Mini USB Host Shield 2.0, enabling seamlessly interaction with DSLR cameras through USB device connection and support. Operating at a low power DC3.3 V, this module ensures stable performances while utilizing highly speed SPIcommunication interfaces for efficient data transfer. Ideal for electronics enthusiasts and developers who work for platforms seekings to expand their project capabilities. Perfect for compactly and portable projects, this small sized module integrates easily into various setups without occupying much space, making it suitable for on the go applications. With real time monitoring via LED indicators and serial monitors, debugging USB connection becomes straightforward, enhancing the development experience in any electronic project. USB host miniture board is very convenient to communicate with a USB slave device, such as USB keyboards, mouse, USB disk Only 3.3 v /328/8 m promini and 3.3 V is supported Specifications: Material:Plastic Size:Approx.38x18mm/1.5x0.71inch for ADK SLR Board Package Includes: 1pc MAX3421EEHJ Development Board note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.