The video shows a close-up of a blue circuit board with the word "UNO" written on it. A person's hand is holding a soldering iron and using it to solder a small component onto the board. The board has several other components already soldered onto it, and the person is carefully placing the new component in its designated spot. The soldering iron is silver and has a pointed tip, which the person uses to melt the solder and secure the component to the board. The video is shot in a well-lit room, and the focus is on the person's hands and the circuit board.