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My drops system, april 2014

From top to bottom:
Support for the tube (the fixations with ball bearings permit to choose the height of throw).
One led for triggering the camera.
One motion detector for detecting the drops when they fall.
One water pump.
One potentiometer for adjusting the time duration between the drop detection and the trigger of the camera.
One potentiometer for adjusting the speed of the water pump.
A graphic LCD display (permits displaying messages about the system when working).
The electronic system is connected to an Arduino and a control motor.


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