Welcome to the store! 1. Based on the Raspberry Pi Pico design, it can be inserted directly after soldering, making it very convenient. 2. Can be used as a demo board to test if all pins on the Pico are in good condition. 3. As an expansion board, the module includes LED, buttons, and basic ADC functions, allowing you to get started easily. 4. For Raspberry Pi Pico beginners, this is an easily expandable board, very practical. 5. Made from excellent PCB material, it is durable with a long lifespan and stable structure. Item Type: GPIO Expansion Board Material: PCB Function: GPIO expansion board 1 x GPIO Expansion Board We strive for your satisfaction and aim to provide you with a great shopping experience. If you have any questions after receiving the goods (e.g., different product quantities, damaged packaging, etc.), please contact us promptly! We will provide you with the best solution.