Light & sound
Click below to read a summary of the Light & sound project ideas for Bronze, Silver, and Gold awards; or to go back to project ideas click here.
CREST Bronze Award
Design and build a cabinet to house a home entertainment centre
With all the different components needed for a home entertainment system, the potential for a chaotic mess of boxes and wires in your living room is immense. How can all the components and their wires be built into one unit?
Build your own flashing Christmas tree lights
Some manufacturers make and sell a ‘light-rope’. The lights on the rope are made to flash in sequence producing a ‘wave’ of light that travels along the rope. There are several ways of doing this, but the simplest way is to design an electronic circuit that can do it automatically.
Design and build a working speaker system
Speakers work by using the Motor Effect. Two magnetic fields interact with each other, making a paper cone vibrate in an out. One magnetic field is produced by a permanent magnet, and the second, by the electric current from the sound signal.