Today, Lupe and I plan to work on Rube Goldberg machine idea.
Material:
Light sensor Sound sensor DC motor fishing line stick spring bar domino
fork bowl 3 balls
How it work:
We put our light sensor near the LED.
When previous group makes their LED turn on/ off.
The motor will turn clockwise to release the ball 1 from a great height ( which is work as reverse of fishing)
The ball 1 will drop to head of the fork, which make the ball 2 on the end jump up high.
Then the ball 2 will drop to the bowl, which makes sound
The sound sensor will release the bar, which make a compress spring releases a great force to ball 3
Finally, ball 3 will hit other dominoes.
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