Rip Wood to Phone Slot Width

What happens here

Measure the thickness of the tablet or smartphone that the holder is intended for. Set the fence of a table saw to this measurement. Carefully rip one of the prepared wood pieces to this exact width, creating a narrow strip that will later be incorporated into the device slot.

Goal: Measure the thickness of the tablet or smartphone and then rip one of the prepared wood pieces to that precise width on a table saw, which will form the narrow slot for the device.