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Arduino Java
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laser_beam.pde initial
laser_beam_dmd.ino added dmd
laser_beam_network.pde initial

Arduino controller laser pointer stopwatch/timer

Laser pointer hitting a simple LDR. When the laser pointer is cut the DMD display will start counting a timer. When the beam is cut again the DMD will show a 'split' recording. After 6 cuts (ie: laps) it will stop the timer.

Read more here:

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