The video shows a close-up of a green circuit board with various electronic components and soldering points. A person's hand is seen using a soldering iron to apply solder to the connections on the board. The soldering iron has a black handle and a silver tip. The person's hand is steady and precise as they work on the board. The circuit board has white labels and markings indicating the different components and connections. The soldering iron is used to connect the components to the board, creating a secure and conductive bond.