Features: Equipped with better performances processor, providing reliable computing power and multiple expansion possibilities. Supports various modules and sensors for seamless integration, catering to different project requirements. Designed for experts in embedded system development, offering the necessary resources for their projects. Suitable for research labs, educational institutions, and project development, delivering exceptional computing capabilities and flexible connectivities. With its compact designs, it is perfect for projects with limited space, ensuring convenience and efficiency. It can run various open source operating system and programming languages, making it convenient for developers to develop software. Equipped with GPIO, UART, I2C, SPI and other universal interfaces for easy connection and communication. Compact designs, easy to use in limited space scenarios. Adopting low-power technologys to meet requirements for battery life and energy conservation in application scenarios. Specifications: Material:PCB Processor:Arm CortexM4 Storage:256KB Flash/32KB Working Voltage:5V Input Voltage:6-24V Programing Port:USB C with GPIOUARTI2CSPI interfaces Note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1xR4 Minima Development Board