Objective: To show how resistance can lower the sound from the speaker.This project was similar to #3, but now in #4 we added a resistor. A resistor makes sure there's not too much electricity so it doesn't explode or burn up in fire. In #4, the resistor levels the amount of electricity being used, so there's not too much. The music played for a while and then stopped. Then you had to say something or make a sound, which would activate the whistle chip, or you would tap the whistle chip, which would make it activate. Then it would play the song.
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