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Can you please be more specific about what you are trying to do?
Putting a gravity sensor in? Putting simulated gravity? ...
ok, i am working with a 14x9 led matrix , and we have to make a 2x2 "ball" move from side to side using 9,8 m/s^2 acceleration, five times, without losing energy. How could i do this?
Thanks
Are you saying that the "ball" should start at the top of the matrix with some constant horizontal "velocity", and fall to the bottom as it "bounces" off the sides of the matrix?
Gaek:
How could i do this?
The point of an assignment like this is for you to figure it out, not to ask someone to tell you how to do it. Try to get the numbers down first and then worry about the LEDs.