Features: Equipped with a processor with better performance, providing reliable power and multiple expansion possibilities. Supports various modules and sensors for seamless integration, catering to diverse project requirements. Designed for embedded system development experts, offering the necessary resources for their projects. Suitable for research laboratories, educational institutions, and project development, delivering exceptional computing capabilities and flexible connectivity. With its compact design, it is perfect for projects with limited space, ensuring convenience and efficiency. It can run various open-source operating systems 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 design, easy to use in scenarios with limited space. Adopts low-power techniques to meet battery life and energy-saving requirements in application scenarios. Specifications: Material: PCB Processor: Arm CortexM4 Storage: 256KB Flash/32KB Working Voltage: 5V Input Voltage: 6-24V Programming Port: USB C with GPIOUARTI2CSPI interface Note: Please allow 1-2 cm error due to manual measurement, please ensure you don't mind before ordering. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1xR4 Minima Development Board