Electronics are an integral part of our daily lives. Everything from our smart phones to our cars includes electronic components. Multi USB charger PCBa is quite popular and welcome. An advanced circuit board won't be able to give its functionality until components are mounted on it. A PCB with components mounted on is called an assembled PCB and the manufacturing process is called PCB assembly or PCBA for short. The copper lines on bare board, called traces, electrically link connectors and components to each other. They run signals between these features, allowing the circuit board to function in a specifically designed way. These functions range from the simple to the complex, and yet the size of PCBs can be smaller than a thumbnail.