In the video, a person is seen working on a circuit board. The person is using a soldering iron to connect wires to the board. The board has several red and yellow wires attached to it. The person is wearing a black glove on one hand and is using the other hand to hold the wires in place while soldering. The soldering iron is being used to melt solder and connect the wires to the board. The person is focused on the task and is using a steady hand to ensure a good connection. The background is dark, and the only light source is the soldering iron, which is bright and illuminates the area where the person is working.