Using the GPIO Expansion Board for your Raspberry Pico is a breeze. First, connect the expansion board to your Raspberry Pico following the clearly labeled connections. You can then start attaching different sensors, modules, or devices to the added GPIO ports. This will let you expand the functionality of your projects. When handling the board, be gentle and avoid bending or applying too much pressure, as it's made of durable but still delicate materials. For maintenance, keep it in a dry and clean place. If it gets dirty, you can use a soft, dry cloth to gently wipe it. This way, you can ensure that your expansion board works well for a long time and keeps enabling your creative projects.