Most people don't know or care about a circuit board.
It was their only product built using a single circuit board.
In Washington last week, the problem was the burned out circuit board.
It came from beneath what might have been a circuit board.
Another way to make a circuit board is to use a mill.
Sometimes it may be easier to use a circuit board that is already made.
On top of this hard disk was the circuit board.
Now they have to physically live somewhere, on a circuit board.
The real beauty is down deep, in the circuit boards.
They attached each device to a circuit board and a computer.